... voltage: 8-36V/DC (limit voltage 100V)Resistance to power source reverse connect: ≥80VWorking current: average 110mA @ DC ... area replenish reportEmergency alarm, mute listeningGPS open circuit alarmMain power lost alarm, battery cell low voltage alarmEnter limit area ... , GPS Antenna, GSM Antenna, TTS voice report device,Power Supply cable, Panic Button, Lock Vehicle relay, Monitor Mic.Application ...