Wireless door sensor

Working voltage: 3V (2 AAA alkaline batteries);

Wireless transmission distance: ≥150 meters (open place);

Transmitting frequency: 433.92MHZ/315MHZ/868.4MHZ (optional)

Launch agreement: 1527;

Quiet current:≤2μA; 

Emission current:≤15mA;

dismantling switch: normally closed;Product size: 72*45.5*14mm