Sensor: 1/2 " Progressive Scan CMOS ; Matrix size: 8.3 Mpx ; Resolution: 3840 x 2160, 2560 x 1440 ; Lens: - Motozoom ; View angle: 112 ° ... 46 ° ; Range of IR illumination: 100 m ; Audio: External microphone input ; Alarm inputs / outputs: 2 / 1 ; RS-485 interface; Main features: The device has a built-in heater ; Power supply: 12 V DC, 24 V AC, Power output : 12 V DC ;