Built-in sensors antenna GSM SMS Alarm System Dual network, 1200mA battery ... ; LCD displays Date, Week, Time, and System Status 3.2/4 Band GSM/PSTN dual net-work. 4. Support ... : 100~240VAC, DC12V 1A 2. Operating power: DC12V 1A 3. GSM Frequency: 900/1800MHz, 850/900/1800/1900MHz 4. ... Wireless door (gap) sensor-1 PC. - Remote controller-2 PCS. - Antenna-1PC. - Wireless Sound&flash 110dB/0.3m-1 PC. - Power ...