Best 4 Sensors

12 Gauge Trip Wire Alarm 4 Way Trip Quad Perimeter Defense Gen 3.0 by Trip Alarm Co. for Camping and Security (Black)

WIDE RANGE OF APPLICATION(Driveway alert,Perimeter alarm and etc)- The infrared detection range of the solar sensors up to 190 feet,that means the infrared sensing terminals can be mounted up to 190 feet apart.
and will send a wireless alarm signal back to the wireless alarm receiver up to 1/4 mile away anytime someone passes between the solar sensors(Actual range will vary depending on the local terrain).
NO WIRING NO NEED TO REPLACe BATTERIES- The sensors are self-powered by solar recharged lithium ion batteries.
no need sunlight,the nature light on cloudy and rainy days also can charge the batteries normally.
requires no wiring(both the power cables and signal cables).
LOWER FALSE ALARM RATE-The use of active and multiple infrared beams reduce false alarms from small animals and small objects such as birds and falling leaves.
super infrared penetrating power reduce false alarms from the bad weather such as rain/fog/snow.
infrared analysis technology reduce false alarms from the other nature light sources interference such as sunlight.
DIY DESIGN,SUPER EASY TO SET UP IN MINUTES-The KIT has been programmed already before shipped.
no power cables because the sensor is solar powered.
no signal cables because the signal is wireless transmission.

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Smart Wireless Temperature / Humidity Sensor Wide Range (-22 to 158 degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring Smartphone Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included

DON’T TRY THIS WITH WiFi! Our unique LoRa-based sensors are different from WiFi, Zigbee, Z-Wave and most other wireless smart sensors in that they are extreme long-range (up to 1/4 mile open-air), low-power (years between battery changes), and work outdoors*, on other floors, and even in a metal box (like a fridge or mailbox)!.
MONITOR & MANAGE your temperature and humidity concerns, whether it’s a fridge or freezer, a barn or bedroom, a chicken coop or a dog kennel, a plant nursery or your child’s nursery – anywhere! *Consider one of our weatherproof sensors, designed for outdoor use.
ECONOMICAL SMART FRIDGE! Save thousands when you make ANY fridge smart (or smarter) with YoLink smart sensors. Start with temperature sensors, then add door/lid sensors, leak sensors and a Power Fail Alarm..
PLUG, PLUG & PLAY! Take advantage of direct ethernet connection and be online almost instantly when you plug your Hub into your router or network switch. Or, use hot spot mode to connect to your WiFi network in moments. Add devices in seconds using our Scan & Play QR code scanner in the app! Set your notification preferences, test your new sensors, then enjoy years of trouble-free operation!.
KNOW NOW! You have many options for being notified of device act....

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AcuRite 01090M Multi-Sensor Thermometer with 3 Indoor/Outdoor Temperature Sensors

Multi-zone thermometer tracks temperature in 4 locations in and around your home with 3 remote sensors and display's built-in temperature sensor.
Digital display features large, bold digits for easy viewing of indoor and/or outdoor temperatures (Fahrenheit and Celsius).
Includes daily high and low temperature records for the display's built-in thermometer and for each of the wireless sensors.
Includes a wireless digital display (5.7-Inch height x 2.8-Inch width x 1.8-Inch Depth) and 3 remote weather-resistant temperature sensors (330-foot.
Wireless all-weather sensors measure indoor or outdoor temperatures from -40 to 158 degrees Fahrenheit (-40 to 70 degrees Celsius) with precision and accuracy.

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Air Shield UV Air Purifier from Advanced Pure Air with True HEPA

Unique 9-stage detection, filtration and purification system includes: 1. Air Quality Sensors.
Filters pollen, smoke, air pollutants, odors, pet dander and more....
Sophisticated dust and odor sensors automatically monitor air quality..
System self adjusts based on air quality..

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Autel TPMS MX-Sensor 4 Pack, 2023 Tire Pressure Monitor Sensors 2 in 1 315/433MHz, OE-Level Sensor with TPMS Programming, Compatible with MaxiTPMS TS408/TS508/MK808TS/MP808TS (Metal Valve, Press-in)

【2023 Million-selling Autel TPMS Sensors】Why more and more users are choosing Autel MX-Sensors? 1) 2-in-1 TPMS sensors (315+433MHz), same functionality as OEM tire sensors.
2) Powerful 5-year battery life and strict quality control lessen your repair cost.
3) 99% of worldwide car coverage increases repair orders for workshops.
4) Being unlimited programmed, easy to install & operate.
5) Patented press-in design save more installation time..
【315 & 433MHz in 1 Sensor】Manufactured to outperform OEM TPMS sensors in frequency strength and compatibility, Autel tire pressure monitor sensor possesses both 315 & 433MHz frequency in 1 sensor (while other brands with ONLY one frequency), to universal fit various vehicle needs and better manage sensor inventory for tire shops..
【Universal for Global 99% of Cars】With 99% of car coverage and similar functionality as the OEM sensor available, the Autel sensor has become an essential part for American tire repair shops and is capable to replace 99% of OEM tire sensors on the market. Autel 1-SKU TPMS sensors with 2-in-1 frequency also lower inventory pressure for dealers and increase repair profits for works....

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HTZSAFE Solar Wireless Driveway Alarm System- 1/4 Mile Long Transmission Range- 190 Feet Wide Sensor Range- No Wiring No Need Replace Battery- Outdoor Weatherproof DIY Security Perimeter Alert System

WIDE RANGE OF APPLICATION(Driveway alert,Perimeter alarm and etc)- The infrared detection range of the solar sensors up to 190 feet,that means the infrared sensing terminals can be mounted up to 190 feet apart.
and will send a wireless alarm signal back to the wireless alarm receiver up to 1/4 mile away anytime someone passes between the solar sensors(Actual range will vary depending on the local terrain).
NO WIRING NO NEED TO REPLACe BATTERIES- The sensors are self-powered by solar recharged lithium ion batteries.
no need sunlight,the nature light on cloudy and rainy days also can charge the batteries normally.
requires no wiring(both the power cables and signal cables).
LOWER FALSE ALARM RATE-The use of active and multiple infrared beams reduce false alarms from small animals and small objects such as birds and falling leaves.
super infrared penetrating power reduce false alarms from the bad weather such as rain/fog/snow.
infrared analysis technology reduce false alarms from the other nature light sources interference such as sunlight.
DIY DESIGN,SUPER EASY TO SET UP IN MINUTES-The KIT has been programmed already before shipped.
no power cables because the sensor is solar powered.
no signal cables because the signal is wireless transmission.

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Smart Wireless Temperature Sensor/Humidity Sensor Wide Range (-22 to 158 Degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, Smartphone Alerts, Compatible with Alexa IFTTT - Hub Included

DON'T TRY THIS WITH WiFi! Our unique LoRa-based sensors are different from WiFi, Zigbee, Z-Wave and most other wireless smart sensors in that they are extreme long-range (up to 1/4 mile open-air), low-power (years between battery changes), and work outdoors*, on other floors, and even in a metal box (like a fridge or mailbox)!.
MONITOR & MANAGE your temperature and humidity concerns, whether it's a fridge or freezer, a barn or bedroom, a chicken coop or a dog kennel, a plant nursery or your child's nursery - anywhere! *Consider one of our weatherproof sensors, designed for outdoor use.
ECONOMICAL SMART FRIDGE! Save thousands when you make ANY fridge smart (or smarter) with YoLink smart sensors. Start with temperature sensors, then add door/lid sensors, leak sensors and a Power Fail Alarm..
PLUG, PLUG & PLAY! Take advantage of direct ethernet connection and be online almost instantly when you plug your Hub into your router or network switch. Or, use hot spot mode to connect to your WiFi network in moments. Add devices in seconds using our Scan & Play QR code scanner in the app! Set your notifi....

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Premium 4 ft X5 ft Golf Mat for Simulator Golf Sensor

Total thickness is 1 1/4" - Turf Is 1 1/4" with Urethane Backing.
Golf mat measures 48" x 60" and comes with a precision cut. Fits All Sensors..
Made of 100% spring crimped nylon material. It will not bunch or weather..
Fits 1 & 2 Sensors. Sensor Unit is Not Included..

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BELLACORP Tire Pressure Monitoring System TPMS (4) Sensors (Including Free $50.00 Repeater) for Fifth Wheel, Trailer, Camper, Car, Truck, 4x4, or RV,

After years of development, we now recommend users of our product as well as users of ALL other brands of TPMS units install a repeater. The FCC mandated radio frequency of 433.92 mhz is increasingly crowded with wireless devices. Our sensors use a coin battery that can be overpowered. A repeater uses 12 volt power that is 100 times more powerful and provides 99% full data coverage. Because safety is first, we believe our customers are well served taking the extra step of installing a repeater..
INCLUDES A FREE REPEATER ($50.00 value). If you are not handy enough to wire the repeater to 12 volt, please DO NOT purchase this product. Sensors are pre-programmed for 2 axles and 4 tires on a Fifth Wheel or Trailer. Turn on Monitor and Screw in Sensors. This kit is perfect for a Fifth Wheel, Camper, Travel Trailer, Car, Small Truck, SUV, 4x4, or Delivery Van. Follow the instruction manual to re-position sensors or add more in a different configuration..
Real Time/Full Time Tire Pressure and Tire Temperature up to 34 tires. High and Low Pressure alarms from 15psi to 175psi and high Temperature to 186 degrees. Commercial grade system useful for small trailers all the way up to 18 wheelers..
Anti Corrosion Secure fitting sensor caps will not leak air. Industry l....

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