... CE/ROHS alarm GSM Security Simple Wireless Alarm System,home security protection(LS-GSM-003) I. ... power is off14) Built-in NI-HI rechargeable battery,it will automaticly to begin to work when ... System Standard packing:1 Main panel,1 GSM antenna,1 wireless PIR detector,------It use 9V battery,could ... siren,1 Wireless door detector,------It use 12V battery,could last about 1 year.2 Remote controllers ...