Newest Wireless Anti-Theft Remote Control Door And Window Security Alarms contains 1pcs remote and 3pcs receiver

Specifications of Magnetic sensor
Voltage: 3V AAA x 2pcs
Stand-by Volume: 100μA
Alarm volume: 30mA
Frequency: 433MHZ
Alarm response time: 200ms
Stand-by time: 8-12 months

Specifications of Remote control
Voltage: 12 12V27A*1pcs
Stand-by Volume: 1μA
Working volume: 15MA