Door & Window Entry Sensor (Pack of 2)

This entry sensor monitors when a door or window opens and for how long it stays open, useful for triggering security alarms, lights, or doorbells. Requires Smart Security Gateway EASY & SECURE SETUP: Mounts to a flat surface on any door or window, with included 3M adhesive without any screws or tools. 10MM wide gap allowed between sensors. MAXIMUM SAFETY: Anti-tampering sensor alerts you when the sensor is being forcibly removed keeping your kids & family safe from burglar. RED DOT AWARD-WINNING DESIGN: Sleek and Minimalist form factor is sure to complement your home or business security system. Works with most doors and windows such as closets, drawers, and more. COMPATIBILITY: Provides a smart lifestyle by connecting with Alexa Echo, Google Home, & Apple Homekit. Use voice commands for a hands-free experience. The sensor setup requires a 2.4GHz WiFi to connect with Linkstyle Gateway via Zigbee. SPECIFICATIONS: Power Supply DC 3V, 2 CR1632 batterie