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Best Humidity Warning Device

Mastech MS2108 True-RMS AC/DC Clamp Meter with Inrush Current Measurement

  • Dmm + Lux meter + humidity meter + sound level meter + thermometer.
  • 20%-95% RH 40-100 dB 40000 Lux -4-1832f 0-200 kHz 0-100 UF.
  • LED/sound warning shows you where to plug the test leads.
  • Built-in temperature & humidity sensors show you the environmental temperature and humidity.
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Swivel Eye Hoist Hook - 2 Ton

  • [HIGH QUALITY ANTENNA, SWITCH BUTTONS & CIRCUIT BOARD]: The remote control distance is 100 meters, 360 degree barrier-free with strong penetration and no need to aim. The transmitter adopts high-performance metal contact button for durability, with a good performance circuit board. Besides, it is IP65 Class product, performing excellently in harsh environments such as high oil pollution and high humidity..
  • [EXCELLENT NYLON CASE]: The wireless remote control is made of PA66 reinforced flame retardant nylon, which has strong ability to against pressure and corrosion..
  • [EASY INSTALLATION]: To facilitate your installation, we provide detailed description and a color printing instruction manual..
  • [KEY FUNCTION MODIFICATION]: Connecting with the computer WIN7/XP system through the special data line (needed to purchase separately), you can set the function of keys by yourself..
  • [HUMANIZED DESIGN]: This hoist crane remote control is equipped with a magnetic key switch that can be used in emergency situations. With the battery voltage warning device, the circuit can be cut off automatically when the voltage is insufficient..
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Mini CO2 Detector, Aiment 3-in-1 Lightweight Portable Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer Digital CO2 Meter for Home Indoor Travel

  • 【Multifunctional Carbon Dioxide Tester】This 3 in 1 CO2 monitor can detect real-time CO2 concentration, monitor indoor and outdoor humidity, and temperature. CO2 detection range: 400-5000PPM. Temperature detection range: 0-50℃. Humidity detection range: 0-99%RH..
  • 【Mini Air Quality Monition】The Air Quality Monitor is small and portable, easy to carry around as a decoration, you can check air quality anywhere and anytime. With Intelligent early warning system, high quality infrared NDIR sensor, multiple interference prevention..
  • 【Large Capacity Rechargeable Battery】The CO2 detector has a built-in large capacity rechargeable battery, charging takes only 2.5 hours, and standby up to 30hours. You can check the air quality from anywhere, or have the device continuously monitor at a specific location..
  • 【Full-Color LCD Screen】With full-color display and LCD screen design, this carbon dioxide detector is super easy to read. Digital display with intelligent backlight, eye protection function, one key operation..
  • 【Multi Application】Suitable for home, school, off....
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Seven Sparta 4PCS Save a Deer Whistles Deer Warning Devices for Cars & Motorcycles

  • SAVING LIVES AND PROPERTY: Seven Sparta two pair of whistles deer warning devices are friendly for animals. Deer warning can emit ultrasonic automatically day or night at speeds above 35 MPH and will warn deer up to 1/4 mile away. The purpose of the deer whistles is to stop the deer from running in front of your vehicle..
  • UPDATe WATERPROOF SELF-ADHESION TAPE: We upgraded the normal double-back sticky tape to adhesive tape which is pretty sturdy, they will stay in place even through a professional car wash. And each whistle comes with an additional adhesive pad for replacement..
  • HIGH QUALITY DEER WARNING DEVICE: Made of premium plastic which can resist all weather, even stay at outside extreme heat or below freezing, the device can work well..
  • QUICK& EASY INSTALL AND REMOVE: Just peel off the tape cover and stick the device to your bumper or grille. And the whistles can conveniently be removed from base for wash your car. Two deer warning whistles are recommended per vehicle..
  • NO-RISK PURCHASE! UNCONDITIONAL 30-DAY MONEY-BACK GUARANTEE. If you’re unsatisfied with this item for any reason, we’ll immediately refund your purchase price within 30 days..
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WILLHI 10A Digital Humidity Controller 110V WH1436HUM-PRO Humidistat Switch Hygrometer for Mushroom Greenhouse Grow Tent Home Brewing Reptile Planting Humidifier Dehumidifier

  • 【IMPROVED HUMIDISTAT】We have improved the humidity controller: simplified operation, larger power, wider control range（1%~100%RH), standard U.S. outlet, enhanced robust sensor probe, overload protection, delay protection. NOTE: NO WIFI connection!.
  • 【HUMIDIFICATION MODE OR DEHUMIDIFICATION MODE】Humidification mode OR dehumidification mode according to the settings and device you plug into the controller..
  • 【MAX LOAD】Rated for 10 amps. 1100w@110v or 2200w@220v. DO NOT overload this humidity controller. Humidity Accuracy: ±1%, Probe Measurement Range: 1%~100%RH, Working Humidity for the controller panel:＜85%RH, Power Supply: AC 110v, 50/60Hz, Power Consumption: ＜3W.
  • 【PLUG AND PLAY】 Insert the probe first and then set ON & OFF value. This humidity regulator will turn your device on/off as programmed to keep humidity between the desired range. Comes with a 3m(9.8ft) probe sensor. Measure range is 1%~100%RH..
  • 【WIDE APPLICATIONS】Our humidistat switch is widly used in grow tent, greenhouse, basement, grow room, store room, reptilephibian terrarium. Perfect humidity control for growing mushrooms and other plants, seed germination, fruit development, fermentation, reptile pet....
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Weewooday 10 Pieces Deer Whistles for Vehicles Car Dual Construction Deer Warning Whistle Devices Deer Horn Repellent Animal Alert Save a Deer Safety for Mini Car Truck Vehicle Motorcycles, Black

  • Driver safety accessory: deer warning device is an essential car accessory for drivers living in the wild.
  • The air passing through the flute will produce sound/ ultrasound, which can alert deer, elk, moose, antelope and kangaroos approaching the vehicle, thus effectively avoiding the collision between deer and vehicles.
  • Materials: deer warning whistle is made of quality plastic, it is delicate, safe and tasteless, and can withstand bad weather.
  • It works well even in extremely hot or cold weather conditions.
  • Easy to use: the bottom of the deer warning whistle is attached with a strong rubber strip, which can be installed on the vehicle in a few seconds without any other tools, just remove the tape cover and stick the device to the bumper or grille.
  • It is recommended that 2 deer whistles be installed on front bumper, rearview mirror of each vehicle or any flat place on the vehicle, our deer warning whistle can be removed from the base.
  • Dual construction: dual construction design, the size of each whistle is 2 inches in length, 1.6 inches in width, 0.9 inches in height, it is compact in size, lightweight and easy to hide in the grill, suitable for all cars, trucks, motorcycles, etc. The deer warning device automatically emits ultrasonic waves at a speed of....
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Metoluar Home Wireless Weather Stations, Multifunctional Wireless Weather Station with Measure Temperature, Humidity, Wind Speed/Wind Direction, Alarm Clock

  • ☀【Muti-functional Weather Station】: In addition to measuring indoor and outdoor temperature, humidity, wind speed and direction, the wireless weather station can also display the date and time, set the alarm clock and customize the temperature/humidity/wind speed warning. Multi-functional design brings more convenience to your life..
  • ☁【Accurate Measurement】: Home Wireless Weather Stations works with the latest technical of high-precision temperature and humidity sensor. We reduce the temperature error to ±1℃ and the humidity error to 5%. It can also monitor the temperature and humidity change trend..
  • 【328ft Transmission Range】:Through the outdoor transmitter 433M frequency wireless transmission, after professional detection equipment detection, the wireless weather station display can receive accurate data at any location in the home. The maximum connection distance is 328 feet..
  • 【Multiple Modes of Use】: The detection platform of the wireless weather station can be both wall mounted or place on the table top. You can choose different installation directions according to your needs. The back of the mon....
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KETOTEK Temperature Humidity Controller Module AC 120V Humidity Regulator Thermostat Humidistat Cooling Heating Humidifier Dehumidifier Switch for Incubator Greenhouse

  • 【Safe, lightweight and versatile】Made in ABS material for safer use, this temperature and humidity controller is small and lightweight. It can be....
  • 【Dual output】This humidity regulator can control temperature and humidity at the same time, and can be connected with cooling or heating device....
  • 【High precision】This humidity switch is equipped with high-precision temperature and humidity sensor probe, delivering accurate and stable....
  • 【Specification】Power supply: 120Vac, Output: Max 10A 120Vac(10A Relay inside, please use Load current .
  • 【Security alarm】Alarm when temperature or humidity exceeds high / low temperature humidity setting value, alarm when sensor error or temperature /....
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Ambient Weather WS-HE01 Handheld Heat Stress Index Dew Point Monitor with Temperature Humidity

  • The handheld, portable Heat Meter features an easy to read arrow display showing all ranges of dangerous heat conditions..
  • The adjustable, audible warning sounds before heat index reaches critical levels..
  • Other functions include: accurate display of actual temperature in both Fahrenheit and Celsius, as well as relative humidity and dew point..
  • The calibration feature allows you to adjust the temperature and humidity for the upmost accuracy..
  • The Heat Index monitor is critical for outdoor activities that involve strenuous exercise. Ideal for athletic directors and school sports..
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ORIA Digital Hygrometer Thermometer, (New Version) Indoor Outdoor Thermometer, Wireless Hygrometer Humidity Gauge Temperature Monitor, Outdoor Temperature Thermometer, Backlight Display

  • 3’’ SCREEN & MULTI-FUNCTION DISPLAY WITH BACKLIGHT: Remote thermometer with touchable backlight screen displays make u easier to read in dim light conditions and superbly simple to use. It can temperature/humidity trend arrows and max & min records for all time/24 hours, keeping you aware of the slightest changes in your living conditions.
  • ACCURATE READING & WIDE MEASURING RANGE: Wireless temperature and humidity monitor provides accurate humidity and temperature readings for both inside and outside simultaneously, the temperature and humidity error is ±5%.
  • Two temperature units can be switched between Fahrenheit and Celsius, and the temperature measurement range is -10℃~60℃ (14℉~140℉)..
  • REMOTE RANGE: Indoor/outdoor thermometer wireless measures indoor outdoor temperature and humidity percentages from 328feet/100meter away..
  • LOW BATTERY WARNING & SMART DESIGN: Once the remote sensor or the station out of power, the charge icon will appear to remind you replace the new battery. Please remove the battery if you do not want to use it for long periods of time. Digital outdoor thermometer features multiple placement options with a tabletop stand, wall-mount and magnetic back design, the transmitter is also equipped with a lanyard, bracket, sucti....
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Stud Finder Sensor & Moisture meter, Upgraded 8 in 1 Wall Scanner Digital Moisture Detector with LCD Display and Audio Alarm for Wood AC Wire Metal Studs Detection Building Material Damp Tester

  • 【8 in 1 Stud Finder & Moisture Meter】Our digital wall scanner has 8 scanning modes, Includes 1/2inch stud scan, 1inch stud scan, 1.5inch stud scan, 2.36inch metal scan, 2inch AC wires scan, Environment Thermometer(0-40℃), Wood humidity measuring and Building materials humidity measuring. More mode choices, whether you are a professional, a homeowner or a DIY enthusiast, will make your home projects easier..
  • 【More Accurate than Standard Stud Finders】Our stud detector uses latest and most sensitive chip which can precisely and rapidly detect wood, pipes, metal and AC wires hidden in the walls, floors and ceilings. The large LCD display allows you to see clearly even in dim environments..
  • 【Moisture Meter Function】Designed for moisture testing of wood and building materials, with 2 pins to help penetrate the test surface and quickly understand the moisture content in the wall. Let you to quickly find hidden water leaks on walls and surfaces, wide measuring range(Wood: 6%-60%, Building materials: 0.2-2.9%)..
  • 【Auto-Calibration & Simple Use】You just need to open the stud finder and press the scan button on the left to start scanning. When the hidden stud is found, the signal bar on the LCD display will remind you of the distance and direction....
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Komodo Analogue Thermometer (One Size) (May Vary)

  • Dimming function controls terrarium temperatures very accurately from 10°C up to 60°C / 50°F – 140°F and up to 99% RH.
  • Daytime and night-time temperature and humidity can be set individually.
  • Easy-to-read blue LCD screen shows actual temperature and humidity and red LED and heating symbol will indicate when heating device is powered.
  • Blue LED will indicate when humidifying device is powered.
  • Controls heating devices up to 600W and is ideal for use with Heat Mats, Heat Cables, Ceramic Heaters and Heat Bulbs.
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AcuRite 01008M Atlas Weather Station with Access for Remote Monitoring

  • Monitor precise, hyperlocal weather conditions happening in real-time with AcuRite atlas.
  • Measures temperature, humidity, wind speed, wind direction, rainfall, uv index and light intensity.
  • Unmatched accuracy - with temperature readings accurate within 1°f and humidity readings within 2Percent rh.
  • Includes AcuRite access for remote monitoring from any mobile device.
  • Your weather at your fingertips - quickly view your atlas sensor data from your mobile device and set up notifications to alert you to changing weather conditions.
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