This product is a multi-functional device that serves as a security button and door sensor. It consumes very little energy and is very easy to install.
The sensor has a magnetic strip that detects intrusion. When the relay is away from the magnetic strip, then the alarm will sound.
Working voltage: DC 3V 2AAA
Emission frequency: 315MHZ/433MHZ
Coding method: EV1527
Action distance: 25-35MM
Emission distance: ≥120M（open space）
Color: White
App: Tuya
