Best Replaceable Sensor

Honeywell Ademco 5818MNL Recessed Door Transmitter

The 5818MNL is a magnetic contact sensor that provides concealed protection for doors or windows..
The 5800 Series of door and window transmitters provide the most reliable, convenient and cost effective solutions for security protection. These devices are powerful and versatile enough to help solve even the toughest, most labor intensive installa.
With a demonstrated outdoor range of over a mile, the 5800 Series has the best performance of any transmitters available today..
Includes self-contained transmitter and reed sensor Virtually disappears once installed Easy replaceable AAA Lithium battery.
0.5 gap (transmitter to magnet) \Features a tapered cylinder for easy and flush fit Dimensions: 0.75″ diameter x 3.0″ length.

Check Stock

GOODSMANN Low Voltage Transformer 120W with 8PK Landscape Lights 5W Replaceable LED 2700K 400 Lumen for Outdoor Lighting with Metal Spike and Connector

This kit includes 1PCS 120W low voltage transformer and 8 pack 5 watt replaceable led 2700K 400 lumen low voltage landscape lights.
BUILT IN TIMER AND CLOCK: You will love the flexibility of this timer. Three mode choices: You can use the built-in clock to control the landscape lights on or off at any time you set.
The transformer will turn on at dusk and then turn off at the time you set.
The transformer will turn on at dusk and automatically turn off 4/6/8/10 hours later.
REPLACEABLE PHOTO SENSOR: The transformer has a dusk-to-dawn sensor that controls landscape lighting will turn on automatically at dusk and off at dawn. 120 watts transformer, convert 120V AC household voltage to 12V AC safety voltage.
8 PACK LANDSCAPE LIGHTS: These goodsmann landscape lights come with 5W replaceable led bulbs and produce 400 lumens of 2700K warm light, the usage time of the LED bulbs up to 30,000 hrs.
QUICK CONNECTOR AND METAL STAKE：Metal in-ground stake provides steady support for the light to prevent it from leaning sideways. The included weatherproof wire connector can quickly and easily connect the light to the low-voltage system.

Check Stock

INCX 118 LED Solar Motion Lights Outdoor 2 Pack, 3 Heads Solar Security Lights with Motion Sensor IP65 Waterproof, Flood Lights for Wall, Patio, Garden, Porch, Garage White

...e and sensitive motion sensor, which can provide illumination widely and without delay. Once the sensor of Solar Spotlights Outdoor detect the motion, there will be 30s illumination and without motion detected for long time the lights will auto turn off..
【BATTERY CAPATITY】: The Solar Outdoor Lights are built-in replaceable battery, which can provide 1500 times illumination with fully charge. The Solar LED Lights Outdoor will be charged auto in daytime and start working in darkness. So please install these lights under sunshine for effective battery charging..
【IP65 WATERPROOF】: The Solar Lights with Motion Sensor are waterproof, heat-resistant, frost resistant, suitable for most weather conditions and suitable for outdoor patio, garden, lawns, deck, yard, drive, outside wall, fence, etc..
【EASY TO INSTALL】: The package of LED Solar Lights includes brackets and screws of each lights. The outdoor security lights motion can be mounted on the wall with screws and great for patios, lawns, patios, front door etc..
【SPECIFICATIONS】：Solar Panel: 1.8W, 5.5V.

Check Stock

Ambient Weather WH31PF Wireless Waterproof Floating Pool and Spa Thermometer for WS-1550-IP, WS-2000, WS-2902B, WS-2902C, WS-3000, WS-5000 and ObserverIP Series Weather Station

Includes 1 wireless floating thermometer.
Supports up to 8 channels for integration with your WS-1550-IP, WS-2000, WS-2902B, WS-2902C, WS-3000, or WS-5000.
RF 915 MHz sensor range up to 300 feet (100 feet in most conditions) with 60 second refresh rate.
Sensor powered by sealed internal, non-replaceable AA alkaline battery.

Check Stock

LIVLOV V4 Bike Cadence Sensor, Bluetooth & ANT+ Cycling Cadence Wireless Bicycle Cadence Sensor IP67 Waterproof for Zwift Elite HRV Endomondo Peloton Bike Computers

...T and EASY to INSTALL】Size only 38.5mm×38mm×12mm & weight only 10.5g. No magnets, wireless sensor, it can be easily attached to your bike’s crank arm or shoes through the included rubber-elastic rings and double-sided tape..
【BUILD QUALITY】V4 cadence sensor is waterproof, sweatproof and dustproof. Built-in replaceable CR2032 button battery, battery life up to 500 hours / wireless signal strength up to 20 feet. Easy to replace, use the coin to unscrew and replace the battery. Please remember to remove the battery insulation sheet before installation..
【NOTE】Remove the insulating sheet of the pre-installed battery before usage, re-install the battery to switch between the speed and cadence mode. Unlimited cadence sensor battery replacements and one-year warranty. If you have any questions, please contact us..

Check Stock

iGPSPORT Bike Speed Sensor ANT+ & Bluetooth RPM Cycling Speed Sensor, Wireless Bicycle Sensor for Cycling Computer, Compatible with Zwift, Rouvy, IPX7 with 300H Battery Life

Bluetooth & ANT+: Supports all kinds of equipments and applications which collect speed or cadence data via Bluetooth or ANT+.
Compatible with Cycling Computer and fitness app like Zwift, Rouvy.
Multi -performance: IPX7 waterproof, comes with several of rubber bands and zip tie mounts for more secure installation.
Low energy, equipped with a replaceable CR2025 Coin Cell Battery can be continue use up to 300 hours.
Easy to install: Fit the sensor to the bike,speed sensor goes on the front/rear wheel hub and the cadence goes on the peddle bars.
The mounts supplied are rubber bands and easy to fit and strong.
Lightweight and portable: The mass of the pedaling and speed sensor is only 7.8g, so it will not cause inconvenience to cycling when mounted on the bike, and the compact design can be easily carried by cycling enthusiasts.
Fitting healthful: Using bike computer, speed sensor, cadence sensor started recording straight away.
When finished, you can view the results though your app.
Make riding run and it’s really interesting to read your stats though stave.

Check Stock

AbleNet Big Candy Corn Proximity Sensor Switch - Part Number 10000025

NEW BIG Candy Corn proximity sensor switch is just as great as the LITTLE Candy Corn proximity sensor switch, but almost twice the size and with new features! BIG Candy Corn is highly sensitive and does not require a physical touch from the user to activate. Simply wave a hand or move your body within 1-in/2.5-cm of BIG Candy Corn and it activates..
Auditory beep and visual feedback can be turned on and off.
Larger activation area that is approximately 3.5-in/9-cm wide (80% wider than the LITTLE Candy Corn!).
Easier to activate – activates when the user is within 1-in/2.5-cm of the switch top or with a light touch.

Check Stock

Heart Rate Monitor Chest Strap, iGPSPORT HR40 ANT+ and Bluetooth Waterproof HRM Sensor Compatible with Bike PC, Peloton, Zwift, Strava, Wahoo, Real-Time HR Data and Movement Dynamics in Exercise

Data accuracy: The iGPSPORT heart rate sensor helps you track and capture accurate heart rates and other exercise data in your favorite training app, providing professional support for your training and fitness.
Wide compatibility: HR40 supports both ANT+ and Bluetooth transmission methods, compatible with Peloton, Zwift, Strava, Wahoo, and other fitness apps, you can connect your heart rate data to multiple devices at the same time to get more dynamic information.
Adjustable Strap: The heart rate monitor chest strap weighs 47 grams, is lightweight and soft so you don't feel it and it won't slip when you move.
It can be adjusted from 65 to 95 cm to provide you with a more comfortable workout.
Waterproof index: Designed for IPX7 waterproof, if the sensor body becomes dirty, you can use a soft damp cloth to wipe or clean, chest strap in cycling, hiking, yoga, running are available, but not for swimming.
Replaceable battery: The HR monitor comes with a replaceable CR2032 with a battery life that lasts up to 1200 hours.
Note, please wear the HRM on your chest before connecting the app.

Check Stock

UEi Test Instruments CO71A Handheld Digital Carbon Monoxide Detector, Portable CO Meter 0～999ppm Range, Carbon Monoxide Monitor with Visual and Audible Alerts, CO Tester with Battery

WIDE DETECTION RANGE: Wide range CO detection from 0 ~ 999 Parts per million (PPM) – well past the danger levels. NO auto shut off for continuous monitoring, MAX capture to display highest readings detected, and Auto zero..
SELF TEST: Our CO Detector Includes a self-test feature to ensure the sensor is reading properly, the CO sensor is replaceable to extend life of the product..
LONG LIFE SENSOR: Very high-quality Long-life CO sensor that has a five year expected life span and reads in 1 PPM accuracy. This sensor is designed for ambient testing only and not designed for flue gas or warm air stream testing applications.
HANDS FREE: The belt clip on the detector provides safety while keeping hands free. The small ergonomic design makes it easy to hold and operate.
EASY-TO-READ DISPLAY: Easy to read backlit display can show readings in dark environments. Display changes color based on CO concentration. Green: 0-9 PPM, Blue: 10-34 PPM, Red: 35-999 PPM. The detector also provides audible alerts to warn user of danger..

Check Stock