... home life and business establishments.It can be widely used in home,office,factory,shops,etc.all kinds of places,especially ... alarm.9.With external AC power failure alarm function.10.Build-in backup lithium battery.(800MAH) The main specification of mainframe: 1 ... :2 GB.10.Camera resolution: 30 million pixels.12.Built-in lithium battery: 800mAh.13.Battery standby time: 12 hours.14 ...