uninterrupted power supply controller 12v, pure copper transformer back up battery DC12V 7 Ah, LED indication light. Power ... ×85(mm) Input Voltage: 220V AC-240V AC; 50HZOutput Voltage: 12V DC (11v -14v adj ) Output Current: 3A Output Power: 36W ... /12V+/NO/NC/GND/PUSH/UPS Suitable For: Access Control ,door phone system Special Design: double face, PC board , pure copper transformer ...