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Best Incoming Sound Detector

Hilitand MD740 Handheld Metal Detector 30m Pulse Induction Pin Pointer Metal Locator Full Waterproof with Hanging Rope (NO Battery)

  • [SUPER SENSITIVITY&HIGH DETECTION DEPTH] The disc large probe design of this metal detector pinpointer makes it more sensitive to metal, in addition, the detection depth of our metal detector for kinds is up to 393.7 inches, in this range, the highly sensitive of our metal detector for kids will catch every little tiny metal things, like needles, paper clips, screws, keys, coins and so on..
  • [FULLY WATERPROOF] Our handheld metal detector is made of completely waterproof ( even display ) material and is sealed with solid technology, which means that this underwater metal detector allows for use in water (maxinmum 1181.1 inches), hunting freely for metal or treasure in deep water. (Kindly look out to fully tighten the back cover when using underwater).
  • [STRONG PENETRATION] The powerful penetration of our pulse metal detector wand allows this metal detector wand to be used not only on flat ground and water, but even in strongly permeable hard soil layers such as granite, limestone and shale..
  • [WIDELY APPLICATIONS] Searching for metals, such as coins, keys, relics, jewelry, needles and much more, hunting on beaches, mountains, or diving searching, also can be used for public security check, archaeology, pinpointing decoration line, police detecting, waste Ir....
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DENFOON WiFi Home Security System Kit 5-Piece (2.4GHz), with 2 Remote Control, 2 Door Window Sensors, 1 Motion Detector Alarm Host, Compatible with Alexa and Google Assistant

  • 【5-piece WiFi home security system kit 】The package includes 1 motion detector alarm host , 2 door alarm sensor, 2 remote control. The motion detector alarm host connects with 2.4GHz WiFi Router and the door alarm sensor connects with the motion detector alarm host. WiFi range 260ft without obstacles..
  • 【Work with Alexa & Google Assistant】 Our home security system is compatible with Alexa and Google Assistant, very convenient to use..
  • 【Real Time Alerts】When the door or window are opened or unexpected motion is detected, the alarm host will make a sound up to 110dB and send a notification to your phone by tuya app, giving you a lot of peace of mind when you aren't home..
  • 【DIY Home Security System 】There are armed, disarmed and home modes that you can choose, also you can change detailed settings according to your needs by app,such as delay the alarm, name the alarm sensor.
  • you can control the system by remote controller too..
  • 【With PIR】The host can work as a motion detector with PIR. What’s more, the area of the detector is cylindrical, will effectively decrease the false positive rate..
  • 【 No subscription Fees】Denfoon home security system is one-time purchased, no more other monthly fees needed, saving you money..
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allsun Ultrasonic Leak Detector & Transmitter Finder 40KHz Air Gas Water Dust Leak Pressure Headphone Gas Liquid Leakage Monitor Accessory Kit LED Indication Ultrasonic Leak Finder Tool

  • The Ultrasonic Leak Detector can quick and simple location ultrasonic caused by air, liquid, dust leak. It’s able to detect leakage on tyre and also detects ultrasound as well. Use ergonomics, it is easy and fast for user to use with simple key operation mode and comfortable hand feeling..
  • The Air Leak Detector is a very useful device to locate leak either under pressure or vacuum. The head phone produced a very distinct sound on the area where the leak is coming from. Using the transmitter, it will transmit sound from an enclosed area and can pinpoint the gaps or opening on the roof using the receiver..
  • The Ultrasonic Leak Finder can detect the air or liquid leakage by detecting ultrasonic caused by high pressor leakage.It can trace the detector around outside of the screen, windows and door seals to locate the leak. It uses the advanced ultrasonic sensing technique and features small size, light weight, reliable detection, easy use and utility..
  • Ultrasonic Air Lak Detector locating leak either under pressure or vacuum. The head phone produced a very distinct sound on the area where the leak is coming from. Using the transmitter, it will transmit sound from an enclosed area and can pinpoint the gaps or opening on the roof using the receiver....
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Leak Detection Tools, Ultrasonic Leak Detector & Transmitter Electronic Stethoscope Air Leak Detector Noise Detector Snoop Leak Detector for Pipeline, Air Conditioner, Automobile Glass Leak Detection

  • Ultrasonic Leak Detector with Located the Leak Location Quickly: The leak detector adopts advanced ultrasonic sensor technology, Use sound waves with frequencies generated near the leak to determine the correct location of the leak, can quickly, accurately and intuitively find out all types of pressure or vacuum system gas..
  • Air Leak Detector with Multi-scene leak detection: Liquid leakage faults can detect the degree of sealing of enclosed parts such as cabins, car cockpits, refrigerators, and containers. Place the transmitter in the vehicle and close the doors and windows.Trace the detector around outside of the screen, windows and door seals to locate the leak.
  • Ultrasonic Leak Detector with Excellent Quality：The ultrasonic leak detector has the advantages of small size, light weight, accurate and reliable, convenient operation, practicality, etc. It is a practical portable detection instrument..
  • Snoop Leak Detector with Two Measurement Methods: For real-time detection of gas pipelines, EM282-R can be used alone to capture the tiny ultrasonic signals generated when gas leaks to detect gas leaks.
  • And non-real-time detection is that EM282-R capture the ultrasonic signal from EM282-T. Once a leak occurs, ultrasonic waves will leak out through the leak ....
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Radar Detector,New Voice Alert and Car Speed Alarm System City/Highway Mode 360 Degree Detection Radar Detectors with LED Display for Cars FCC Approved

  • Front and Rear Detection – Cobra’s new LaserEye technology detects signals from both the front and rear of your vehicle, giving you all around....
  • Long Range Detection – Next generation updateable IVT Filter and advanced anti-falsing circuitry intelligently reduces false alerts from blind spot....
  • Early Warnings – Digital Signal Processing provides faster processing for all incoming laser gun signals and rapidly provides accurate alerts,....
  • Adjustable Sensitivity Modes – Tailor your radar detector to your liking with Adjustable Sensitivity and Filtering Modes to control how many....
  • Everything You Need - The Cobra RAD 380 radar detector comes with a 12V vehicle power cord, suction cup car windshield mount, and a hook and loop....
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Kqiang 5 Scales LED EMF Meter Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Portable Counter Portable EMF Magnetic Field Monitor (1)

  • Newest version (July 2021) ED88T Plus 2. Wide Radio Frequency Detector (100 MHz - 8 GHz), Magnetic Field Detector (50 Hz - 10 kHz), Electric Field Detector(50 Hz - 50 kHz).
  • Sound signature analysis (the sound feature needs manual activation).
  • Data Logging/Recording of 1000 measured data automatically.
  • LCD moving graphic Histogram to display signal power level.
  • Includes LATNEX EVA carrying case, user manual, and battery.
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Testex Coarse Minus Grade (0.5-1.0 mils / 12-25 microns), Roll

  • 【Lightweight & Portable】Lightweight and portable, this wall‑mounted detector is cordless, small in size, and easy to carry around for measurement..
  • 【Usages】The detector can easily detect wood, beams, metal nails, pipes or steel behind wall, floors or ceilings..
  • 【Indicating Signal Design】Indicating signal design, this wall detector has LCD backlight display and sound indication, you can clearly know the thickness of the detection..
  • 【Automatic Calibration】Automatic calibration. This wall detector can automatically calibrate all detected objects with high detection accuracy..
  • 【Low Battery Indicator】Low battery indicator, the wall-mounted detector will have a low battery warning screen to avoid the embarrassment of a dead battery..
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Natural Gas Detector, Propane Detectors for Home Natural Gas, Gas Leak Detector, High Sensitivity Propane Detector for Home, Natural Gas Leak Alarm Monitor Sensor (1)

  • Detect Multiple Gases: Home natural gas detector suitable for detecting LPG, natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc..
  • Play Voice & Sound Alarm: 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..
  • Widely Applied: The gas detector 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..
  • 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..
  • Notice: 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..
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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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Radar Jammer

  • 【Extreme Range Super Heterodyne Technology】- Auto 360 degree detection with super-fast sweep circuitry, provides extra detection range and the....
  • 【Wide Detection Range】- Detector the latest pop mode radar gun (super-fast instant on mode) This Radar can Detect any stable or mobile Radial....
  • 【Advanced System】- Relative speed sensing auto mute system that virtually eliminates false alerts and shutdown feature will render your detector....
  • 【Quick Response】When you detect a position, the radar detector will tell you by make a sound to show you are approaching speed detection device,....
  • 【Risk-Free Attempt】Comes with 1 x Detector, 1 x Power Cord, 1 x Anti-Slip Mat and the package box with user guide.
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allsun Pro Ultrasonic Leak Detector& Transmitter Automotive Noise Finder Electronic Stethoscope Machine Noise Monitor 36-44KHz Air Gas Water Dust Leak Pressure Vacuum Diagnose Tool

  • 【ULTRASONIC TECHNOLOGY】Ultrasonic Leak Detector& Transmitter uses ultrasonic sensing technology and features small size and light weight. It is reliable and easy to use and is a practical,portable tool..
  • 【WORKING PRINCEPLE】Automotive Noise Finder,turbulence created by gas or air forced through a small office generates ultrasoncic sound. Ultrasonic sound occurs when the atmosphere leaks into a vacuum vessel or when a pressure vessel leaks to the outside atmosphere..
  • 【FREQUENCY】Electronic Stethoscope, ultrasonic sound's frequency is related to the size of the orifice which ultrasonic sound passes through, but usually the frequency is about 40kHz. Frequency Response: 36kHz-44kHz..
  • 【WIDELY APPLICATION】Machine Noise Monitor, machine Abnormal Noise Detect.
  • By using this instrument, you can quickly and accurately locate leaks in any pressure and vacuum system. Suitable for detecting cracks of pipes, valves,oil tank and other sealed compartment..
  • 【WHAT YOU GET】Air leak detector package includes, Leak detector.
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Real Alien Radar

  • 【Wide Detection Range】Radar detector the latest pop mode radar gun (super-fast instant on mode) This Radar can Detect any stable or mobile Radial....
  • 【Advanced System】Relative speed sensing auto mute system that virtually eliminates false alerts and shutdown feature will render your detector....
  • 【Extreme Range Super Heterodyne Technology】Laser auto 360 degree detection with super-fast sweep circuitry, provides extra detection range and the....
  • 【Quick Response】When you detect a position, the laser radar detector will tell you by make a sound to show you are approaching speed detection....
  • 【Risk-Free Attempt】Comes with 1 x Radar Detector, 1 x Power Cord, 1 x Anti-Slip Mat and the package box with user guide.
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Vbestlife Digital Satellite Finder with ATT Buzzer, Compass Display, 950-2150MHz Portable Digital Satellite Signal Meter TV Signal Alarm Buzzer for Campers

  • [Sensitive Satellite Detector] The digital satellite detector is very sensitive and can detect the weakest signal, strong input signal (strong satellite, large dish) can be easily attenuated for better reading..
  • [Bzuzzer and ATT Function] With Buzzer and Attenuation (ATT) function, the signal strength meter will emit a sound on the buzzer (stronger signal higher sound). Equipped with a compass for easier and faster adjustments..
  • [Tracking Signal] Connect the satellite detector to your LNB and the receiver to the strength detector TV antenna to track the clearest setting for the satellite you wish to tune to..
  • [LCD Display] The signal strength of this digital satellite finder is displayed graphically on the LCD display in the form of a thermometer scale and numbers (0‑99)..
  • [No Batteries] No external power supply or batteries required, powered by your satellite receiver. Mini size and light weight. A satellite probe that can be carried around with you..
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