Material ABS Brand N/A Model DY-40B Color White Quantity 1 Power Supply DC 12V Remote Controlled distance 10~30m Voice Decibels 110dB Battery Type NI-HI AAA 7.2V / 800mAh Certification CE Other 128 x 64 dot matrix display in both Chinese and English language; The built-in clock is convenient for time checking; Original operation system for the main unit allows simple operation; Support card access control system needless to carry the traditional remote control; 4 Wired and 99 wireless zones; Built-in intercom speakers with high acoustic quality and large volume; 10s of manual recording; Preset 6 alarm phone numbers preset 3 SMS numbers; Built-in SMS in English / Chinese which shall be sent automatically; Built-in digital voice announcer which shall report alarm conditions automatically; Built-in lithium battery with high capacity to enable alarm while power-off; Input voltage: DC 12V / 1A; Standby current: Packing List 1 x GSM alarm system 2 x Remote controllers (Powered by 2 x CR2016 batteries included) 1 x Door contact 1 x Magnetic sensor (93cm) 1 x Infrared detector (6F22 / 9V battery included) 2 x Infrared detector accessories kits 1 x 100~240V 2-round-pin plug power adapter 1 x Siren 1 x English manual 1 x Sticky mat