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$17 – $25
Slim Z-Wave door/window contact sensor with 3-year battery life. Part of Ring Alarm system. Works with Alexa.
The Ring Alarm Contact Sensor (2nd Gen) by Ring is compatible with Amazon Alexa, Samsung SmartThings, and Home Assistant. It connects via Z-Wave. Street price ranges from $17 to $25. Explore detailed specifications, platform compatibility, and feature comparisons below.
An optional subscription unlocks additional features.
$10/month
$17 – $25
The Ring Alarm Contact Sensor (2nd Gen) provides instant alerts when doors or windows open. With a slim design that fits any frame and a 3-year battery life, it's a reliable component of the Ring Alarm security system. Uses Z-Wave for secure communication up to 250 feet from the Base Station.
$70 – $85
Premium outdoor weather station with temperature, humidity, and barometric pressure. IPX4 rated. Matter over Thread with no cloud.
$40 – $55
Matter-enabled motion and light sensor with Thread connectivity, IPX3 water resistance for indoor/outdoor use.
$17 – $25
Wireless PIR motion sensor with 30ft range, light sensor, and 3-year battery life for smart home automation.
$20 – $30
Zigbee motion sensor with 15ft range, temperature monitoring, and magnetic ball mount for SmartThings ecosystem.
$17 – $25
Smart door/window contact sensor with built-in motion and light sensors, 3-year battery life.
