... current:<35mA (when not charging) Alarm current:<120mAl Built-in Li-Ion backup battery: 3.7V 800mAH(rechargeable), Standby: ... 900/1800/1900Mhz)l GSM transmit power: 2W l Receiving and emitting range: >100m(non-block)l Working condition:Temperature: ... list1 Main alarm set, 2 wireless remote control,1 pir sensor,1 door sensor, 1 adaptor,1 backup battery, 1 siren. 1 English manual book.Product Picture ...