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Best Warning Notification Frequency Level

Sleep Aid Device, Hand-held Nighttime Sleep Aid Device, Micro-Current Intelligent Relieve Anxiety Depression Fast Sleep Instrument, Natural Sleep Aid Device, Physical Sleep Aids

  • ...rivation and insomnia fall asleep as soon as possible. At the same time, it has the function of relieving migraines, relieving anxiety and releasing stress.This sleep aids has Light weight,small size and easy portability,So it can be used in the office, home and business trips. USB charging is very convenient..
  • [Low Frequency Microcurrent ]Low-frequency pulse current microampere level, does not hurt the body's function, still helps sleep after discontinuing use, non-drug, no dependence, through the palm of the hand to pass current, avoiding the risk of direct stimulation of the brain current..
  • [Two Frequency Modes] Our sleep aids have two modes. Low frequency mode (sleep mode): low frequency for soothing and relieving anxiety frequency, held in the palm of your Left hand can accelerate to let you sleep peacefully. High frequency mode (excitement mode): high frequency for excitement and inspiration frequency, held in the palm of your Right hand can make you excited and energetic, work and study with more passion..
  • [Important Notes&Easy to operate] Our sleep aid automatically stops after 15 minutes of work,so you don't have to worry about the device being in working condition all the time.To make it work again please turn it off and on again.As each perso....
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Wellue WearO2 Wearable Health Monitor Bluetooth Pulse Meter with Free APP Continuously Tracks SP-O2 & Heart Rate

  • Wearable Real-Time Monitor: Soft ring sensor makes it comfortable and never goes off from your finger for home daily use. WearO2 don't provide....
  • Health Care: Continuously monitoring and recording O2 level, heart rate and motion, continuous using up to16 hours. Built-in memory for easy on the....
  • Free APP for Android and iOS: The Vihealth APP shows the graphic report and trends of O2, heart rate and motion. Data analysis can help you avoid....
  • Smart Notification for Low O2 Level: WearO2 can detect changes of O2 level, active a notification to stir your finger when o2 level drops lower than....
  • What You Get: Wellue WearO2, USB cable, User guide, 1 year worry-free warranty and our friendly customer service..
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Decibel Meter, TACKLIFE Digital Sound Level Meter 30-130dB(A) Range with Sound Simulation, Max/Min/Data Hold, Fast/Slow Mode, Self-Calibration Noise Meter, Battery Included -MLM02

  • ... considered as reminding by showing “UN” when less than 30 dB or “OL” when more than 130 dB.
  • The noise meter will auto shut-down after 10 mins of inactivity, which can be cancelled successfully by pressing power button and fast/slow button simultaneously when “COU” shown.
  • ▲HIGHER ACCURATE & WIDER FREQUENCY RANGE – Calibrated to the standard source in advance by the factory, this meter helps to get a more accurate result in various environments, like factories, workshops, home, schools, road, audio etc.
  • Frequency range 31.5 to 8 KHz, accuracy: ±1.5 dB, resolution : 0.1 dB.
  • ▲WHAT YOU GET – 1x TACKLIFE Sound Level Meter MLM02 (windscreen included), 1x 9V ( 6F22 ) battery (low power indicator available), 1x user manual (If you have any problem about it, please do not hesitate to contact us , our Support Team will solve your problems in time).
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YJINGRUI LED Industrial Signal Tower Light 3 Colors Flash LED 180°Folding Light with Buzzer Alarm Warning Lamp for CNC Machines Red Yellow Green 100db (DC 24V)

  • LUBAN Industrial Signal Stack Tower Lights, adopting high performance LED chips as the light source to provide high brightness light with lower power consumption and at least 50,000 hours long lifespan.
  • This Tower Light equipped with prism-cut PC lampshade lenses for even light distribution, it has a 360-degree viewing angle, with a height adding pole, it's easily viewed at a distance in the workshop.
  • Each level equips 3x3 continuous light LED chips in 3 different directions, 90dB hi-frequency buzzer alarm optional for adding an audible warning to be heard above the noise of surrounding machinery.
  • Standard aluminium pole length 6 inches with L-bracket for mounting installation (When not using an L-bracket, make a fitting hole of φ18-20mm).
  • These Andon Lights for use in factories or on industrial machinery. Typically used as Automated machinery status indicator lights, operation signal lights, safety warning lights.
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Lorex E891AB-E 4K Ultra HD Smart Deterrence IP Camera with up to 150ft Color Night Vision and 111 Degrees Field of View

  • ... realistic color representation and superior digital zoom capabilities..
  • Person and vehicle smart motion detection This camera comes with advanced person and vehicle detection that helps identify more important objects that enter the camera's field of view. Thanks to this innovative feature, you will only get a push notification and image screenshot to your Lorex Home app whenever a person or vehicle is detected on your property. This effectively reduces the number of unwanted false alerts caused by moving branches or animals. Recorded motion alerts can easily be reviewed by using the Smart Search function..
  • Take an active stance against uninvited guests This camera comes with plenty of features that will help ward off uninvited guests. First, there are dual motion-activated LED warning lights that can be customized to be manually activated, triggered by motion or always on. Second, there is a remote-triggered siren that you can control from your Lorex Home app. When the camera sensors detect motion, the system will send a notification directly to your phone, allowing you to remotely access the camera and set off a loud warning alert..
  • Listen-in Audio and Two-Way Talk A built-in speaker and microphone allows for crystal-clear audio functionality. Listen....
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TWTools - True Wireless Tools

  • Correct Battery Level on TWS pods and step 10% battery level on original AirPods, AirPods Pro, AirPods Max and Beats with realtime info..
  • Popup window with battery level when pods case opened..
  • Pods local renaming (on Android pods renaming works only on local device and not persistent on pods like on iOS devices)..
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Natural Gas Detector, Propane Detectors for Home,Natural Gas Propane Leak Alarm, Natural Gas Propane Leak Detection for Home Kitchen

  • Detect Multiple Gases: Home natural gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc..
  • LED Digital Display & Sound Warning: Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety..
  • Easy to Install: Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas..
  • Widely Applied: This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc..
  • Precautions: The system warm-up time is about 2-3 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 (the system enters the working state) before it can be tested normally.Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas..
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NGPOPX Natural Gas Detector, Digital Display Combustible Gas Detector Home Gas Leak Alarm, Sensor, Tester, Sniffer Kitchen, Monitor Combustible Gas Level Methane, Lpg, LNG; Voice & Light Warning

  • COMING WITH MOUNTING ACCESSORIES: Combustible gas detectors are limited to indoor use, just drill holes in appropriate positions, and done.
  • It can be used in home kitchens, bathrooms, living rooms, game rooms, study rooms, basements, storage rooms, cellars and other places..
  • WIDELY USED: Natural gas detectors and the effective monitoring range is 110-160 square feet. If it exceeds this range, we recommend that you install multiple detection alarms..
  • SOUND WARNING: Gas Leak Detector offers Voice Notification and a digital readout of the GAS concentration.accurately monitor leaked gas.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal..
  • EASY INSTALLATION:Natural Gas Detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.Voltage 110V ~ 220V can use it..
  • PRECAUTIONS: Gas leak detector The system warm-up time is about 1-2 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 before it can be tested normally..
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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

  • ...z effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
  • Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
  • Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features of RX230: RockvilIe RX230 2-way Stereo / 3-way Mono rack mountable crossover.
  • Ability to mix 2 channels output. 24dB/Octave filters. Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -to +6 dB. High Frequency Level Control: -to +6 dB. Low Frequency to High Frequen....
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GARDWENS Radar Detectors for Cars, Radar Detector Police Radar Detector Long Range Detection, Voice Alerts with Led Display Gray

  • [Radar detector full frequency reception] - X.K.KA.CT.LASER and other bands, full frequency sensing without missing bands. High accuracy rate, automatically reduce false alarms to ensure your safe driving..
  • [LED display with voice alert function - All-round warning]- The radar can detect any stable or moving radar speed camera from 250-1000m ahead and respond quickly with voice alert, providing advance warning for your driving and ensuring driving safety..
  • [360 degree laser radar detection] - The speed radar detector uses the latest upgraded 360 degree laser detection technology, detecting from the front, side and back, with high accuracy and automatically reducing false alarms for your safe driving..
  • [Easy to use] - Plug the speed radar detector into the power supply and place the included anti-slip mat, select either city road or highway mode, allowing you to be in a densely populated city or on the highway, the ultra fast scanning circuit's laser auto 360 degree detection provides you with ultra long range detection and the best possible warning..
  • Product contains: 1 radar detector, 1 power cord, 1 non-slip mat and a box with user guide..
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Natural Gas Detector, Home Gas Alarm, Gas Leak Detector,High Sensitivity LPG LNG Coal Natural Gas Leak Detection, Alarm Monitor Sensor for Home/Kitchen (Style-3)

  • 【Detect Multiple Gases】- Home gas detector suitable for detecting LPG(Propane and Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc..
  • 【Easy to Install】 - Gas leak detector adopts easy-to-install design, can be used by plugging directly into the power socket to detect leaked gas..
  • 【LED Digital Display & Sound Warning】- Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety..
  • 【Testing Process】 - When Plugged in, it will play a welcome voice and then goes to the warm-up process. ( usually take 3 minutes ) and the blue LED blinks once per second. During this process, you can press the touch key, and the product will play different voices and alarm.
  • 【Widely Applied】- This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc..
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Radar Detector, New Upgrade Laser Radar Detectors with Car 360 Degree Automatic Detection & Vehicle Speed Alarm System, Voice Prompt Speed (RED)

  • [360 degree laser radar detection] – The speed radar detector uses the latest upgraded 360 degree laser detection technology, detecting from the front, side and back, with high accuracy and automatically reducing false alarms for your safe driving..
  • [LED display with voice alert function – All-round warning]- The radar can detect any stable or moving radar speed camera from 250-1000m ahead and respond quickly with voice alert, providing advance warning for your driving and ensuring driving safety..
  • [Radar detector full frequency reception] – X.K.KA.CT.LASER and other bands, full frequency sensing without missing bands. High accuracy rate, automatically reduce false alarms to ensure your safe driving..
  • [Easy to use] – Plug the speed radar detector into the power supply and place the included anti-slip mat, select either city road or highway mode, allowing you to be in a densely populated city or on the highway, the ultra fast scanning circuit’s laser auto 360 degree detection provides you with ultra long range detection and the best possible warning..
  • Product contains: 1 radar detector, 1 power cord, 1 non-slip mat and a box with user guide..
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Natural Gas Detector, Propane Detectors for Home,Natural Gas Propane Leak Alarm for Home Kitchen, High Sensitivity Natural Gas Propane Leak Detection (1, White)

  • 【Detect Multiple Gases】- Home natural gas detector suitable for detecting LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc..
  • 【LED Digital Display & Sound Warning】- Gas Detector offers Voice Notification and a digital readout of the GAS concentration.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal. 85dB alarm sound, reduce the risk of gas explosion and protect your family's life and property safety..
  • 【Easy to Install】- Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas..
  • 【Widely Applied 】-This product can be used as independent family alarm equipment, and also can be used as front detector of alarm system. Widely Used for Restaurant, Hospital,Hotel, Oil Factory,Garage, Gas Station etc..
  • 【Precautions】- The system warm-up time is about 2-3 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 (the system enters the working state) before it can be tested normally.Gas leak detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas..
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