Tuya 433 Mhz Wireless Door & Window Sensor H502-DS for PST-H502 alarm

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