◎ Can work with remote controller.
◎ Can enroll 48 wireless devices.
◎ Working mode: 2-way transmitter and receiver.
External power supply:DC5V/1A(output cuttent≥500mA)
Internal power supply: 3.7V / 2000mA rechargeable lithium battery
Standby current:≤35mA(without connect the backyp battery)
Alarm current:≤350mA(without connect the backup battery)
Volume: 110db @ 1m