... to arm, hierarchy management for alarm zone.6.Arming/Disarming by remote controller.7.SMS remote control the light, stereo etc ... .. 8.Arming or disarming by fingerprin(special mode), no need to carry the remote or ... beautiful appearance, small size, wireless remote control, GSM/GPRS MMS/Email/SMS alarm, emergency call, 1channel relay output, lithium battery interface ...