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Best Back Up Sensor

Optex RC-20U 3 Channel Receiver Chimebox w/ Relay

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate....
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds,....
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge!....
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up....
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you....
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Sensor Motion Repl 180 Deg BRZ

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof Motion sensors—works well in rain or snow!.
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds, volumes, and more!.
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!.
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use..
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have an....
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Physical Security: 150 Things You Should Know

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof Motion sensors—works well in rain or snow!.
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds, volumes, and more!.
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!.
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use..
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have an....
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PWNAGE Ultra Custom Ambi Wireless Gaming Mouse - Esports Pro Gamer Adjustable Sensor Position - Flawless PMW3370 Optical Sensor 19,000 DPI

  • Featuring the latest patented sensor adjustment technology to fine-tune to your specific preferences. From front-to-back sensor positions, offering up to 14% of through-put (speed and accuracy) and reduces path deviation while aiming up to 23%.
  • Pure Aim Technology: Flawless Pro Grade Optical Sensor - Pixart 3370 gaming sensor with Maximum resolution up to 19000DPI.
  • Max. acceleration: 40G, Max Speed 400 IPS , Kaihl GM Micro Switch with 80 million clicks.
  • Mouse Feet: The ultra custom is equipped with 100% PTFE Skates with custom rounded edges are optimized for buttery smooth glide and movement control..
  • 8 buttons Left and Right Hand suitable mouse that includes swappable button shells, top shells, dpi and side buttons.
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Wireless Driveway Alarm 1800 Feet Long Range Motion Sensor Alert System Driveway Detector for Home with 1800mAh Rechargeable Battery 1&4-Brown

  • Reliable & Dependable: Guaranteed 1/3-mile long range (1760 ft.
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an....
  • Multi-functional Receiver: The included receiver also works as a clock and alarm, customize your chimes, volumes, and more!.
  • Reliable & Expandable Sensor: The sensor is equipped with a rechargeable battery for up to 12 months on a full charge! Easily adjust the sensor’s....
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up....
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you....
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Wireless Annunciator Kit Alarm System Infrared 2000 ft Range 418MHZ 9V Battery AC Adapter

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate....
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds,....
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge!....
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up....
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you....
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Polygraph Lie Detector Machine with 7 sensors Camera Made in Israel

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof Motion sensors—works well in rain or snow!.
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds, volumes, and more!.
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!.
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use..
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have an....
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The Rise and Fall of Little Voice - A Play

  • Works as a pull-string monitor OR sensor pad monitor and can easily be transferred from bed to wheelchair and back, thus eliminating the need for multiple monitoring devices.
  • The alarm alerts when the magnetic pull-string is pulled free of the monitor or when pressure is removed from weight-sensing pad.
  • Monitor automatically resets when the magnetic pull cord is replaced or when pressure is re-applied to the connected sensor pad.
  • Eliminate startling alarm noise by recording a personalized message to be played back when the alarm is activated. With up to 15 seconds of playback time available..
  • Purchase Includes your Choice of Accessory Option - All Options include a pouch of 30 Audiologist's Choice Sensor Pad Cleaning Wipes.
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ThermoPro TX-2B Additional Humidity Sensor Fitting Outdoor Waterproof Transmitter for 915MHz Indoor Outdoor Thermometer Wireless Outside Thermometer and Temperature Monitor

  • Additional Sensor: Outdoor temperature sensor is compatible with ThermoPro 915MHz indoor outdoor thermometers.
  • (Before purchasing a new transmitter, please confirm the model and frequency of the transmitter you already own.).
  • 500FT Remote Range: Additional remote temperature monitor sensor transmits temperature and humidity readings for ThermoPro indoor outdoor thermometer up to 500 feet/150m range.
  • Humidity & Temperature Range:The outdoor thermometer wireless sensor temperature range is -4°F to 158°F (-20°C to 70°C),Temperature accuracy is(±2°F).
  • Humidity range is (10% ~ 99%),Humidity accuracy is (±2to3%RH).
  • Monitoring Up to 4 Locations: With additional inside outside thermometer remote thermometer wireless sensors, you can track environmental conditions in 4 locations at most. The outdoor thermometer sensor initial channel is channel ONE, when connecting, please ensure to slide button on the back to set channel 1, 2, 3.
  • Multiple Mounting Options: Place the wireless temperature sensor anywhere with the tabletop and wall-mounted design.
  • Requires 2 AAA batteries (batteries included).
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Ambient Weather WS-100-F007PF Smart Home Weather Station WiFi Module w/ Pool & Spa Sensor

  • Includes WiFi module and (1) F00PF pool /spa sensor.
  • Easily connects to routers and smart devices using WAP, up to 80 feet open air/line of sight.
  • NIST time synchronization from Internet with Auto DST, and optional calibration of all measured parameters.
  • Module powered by 6V, 500mA adapter (included).
  • Sensor has ssolar panel with 4 x AAA battery back-up (not included).
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Wireless Door Chime, BITIWEND Door Window Alarm Doorbell with 600ft Operate Range 58 Chimes 5 Volume Door Open Sensor LED Indicator for Business/Office/Home/Store When Entering, 2Sensor+2Receiver

  • Customized Alarm Chime: The chime choices include a doorbell, barking dog, siren and various snippets of well known songs. and 5 adjustable volume（0-110dB). And the LED indicator creates a visual LED alert for the hearing impaired..
  • 58 Sensor Expandable: The receiver can be paired up to 58 chime sensors/the door sensor can be paired up to 58 receivers. Can be used to install in your dining room, bedroom, living room, garage, yard, or your store and office..
  • Wide Working Range: The wireless door chime offer up to 600 feet detection range. Far enough to cover every window and door in your house and store. The chime receiver will alarm immediately when the magnetic door sensor separated 1cm..
  • Up to 58 Ringtones Choice: Door sensor offer 58 pop chimes and 5 level adjustable(0-110 dB), different chimes set for different doors so you can know which door you have a visitor come in. LED indicators are suitable for the elderly and hearing impaired..
  • Easy to Install to Use: Just plug the doorbell receiver into any standard outlet and tear the double-sided adhesive tape on the back of door ....
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ACDelco Professional TPMS173K Tire Pressure Monitoring System (TPMS) Sensor with nut

  • 【Professional Tpms Sensor】 13586335 Tire Pressure Sensor is specially designed to match the original design and performance of General Motors tire pressure transmitter.in real-time by recording the tire speed or electronic sensors installed in the tire, which can provide an effective safety guarantee for driving..
  • 【Replace Part 】 13586335, 13581558, 13598771, 13598772, 13598255, 15921013, 25799331, 22853741, 15920615, 15123145, 25952370, 15254101, 12768826, 15922396, 20923680. Taking into account the quality of the product and personal safety, this tire pressure sensor has been tested before shipping..
  • 【Tpms Sensor Compatible With】 Fits for 2007-2011 Buick Lucerne, 2007-2018 Cadillac Escalade, 2009-2011 Cadillac sts, 2008-2018 Chevrolet Express 1500/2500, 2008-2017 Chevy Malibu, 2007-2018 Chevrolet Silverado 1500, 2007-2017 Chevy Tahoe, 2008-2011 HHR,2008-2009 Hummer, 2007-2014 Yukon, Pontiac, Saturn, Please See the Fitment Below..
  • 【Installation Procedure】 315MHz Programmed Tire Pressure Monitoring System Sensor (TPMS) does not require programming. The specific operation is as follows Step 1: Select “Check Sensor” in ATEQ VT46. Step 2-4: Select vehicle brand and mode year. Step 5: Select tire location then push button to trigger . St....
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Home Zone Security Motion Sensor Light - Outdoor Weatherproof Wide Coverage LED Security Flood Light

  • ✔ SECURITY PLUS STYLE: With the wide frosted lens and compact motion sensor housing, we’ve designed this motion sensor light to offer all the functions you need for a security light in a sleek and modern package to keep your home safe while complementing your overall home aesthetics..
  • ✔ EASY SETUP: Install in minutes with quick connect back plate to take the hassle out of mounting your security light (wall mount only).
  • ✔ ADJUSTABLE SETTINGS: Customize your outdoor lighting with adjustable ambient light settings to control the daylight level required for motion activated lights to trigger on, light on duration from 5s to 3 min., and motion sensor sensitivity. Motion sensor provides total coverage with 180 degree detection up to 30 ft. in distance..
  • ✔ ULTRA BRIGHT LED: Save costs with LED technology with 1600 lumens of 5000K white light lasting up to 5X longer than traditional bulbs enclosed in beautiful curved light house with frosted lens for improved light diffusion (manual override available)..
  • ✔ BUY WITH CONFIDENCE: Home Zone Security Curved Motion Sensor Lights are tested for outdoor use and backed with our 5-year product support to keep you covered post purchase.
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