The door or window contact for home alarm accessories is consisted of transmitter, magnetic part and panic button, it is used for door and window.
Can be used as a panic button
Parameter:
Power supply: 12V DC battery Working frequencies: 315 to 433MHz Gap for triggered: >15 to 20mm Standby current: 0.01W Alarm current: 0.09W RF output power: 5mW Working temperatures: -10 to 50°C Relative humidity: ≤95% RH Dimensions: 80 x 50 x 16mm Net weight: 45g