Power: 12VDC(power adapter convert) Standby Power: DC12V(chargeable battery) Working Frequency: 433MHz or 315MHz Remote Control distance: >30m(open position) Alarm Current: 230mA Out Power Static Current: 38mA Standby Power Static Current:33mA(when out Power cut off) 1.Can save 4 groups telephone numbers and 1 group medical number. 2.After power cut off, the saved information will not lose. 3.Long-distance intermit alarm and dial. 4.Long-distance monitor hearing scene. 5.Long-distance set the controller. 6.You can use remote controller to operate panic, arm and disarm. 7.4 sections speeches can be recorded; 8.Play function. 9.Operating the controller need password. 10.Tamper design: when tamper switch on bottom is not pressed down, it will alarm and dial.