1) Non-distortion of 7" dome is for all weather use 2) Low noise design is suitable for in house installation 3) Auto iris auto focus 4) Horizontal resolution:450TVL 5) 355o continuous pan rotation 6) Pan speed 12o/s 7) Tilt speed 12o/s 8) 32 pre-set positions 9) Built-in decoder and RS485 communication 10) 22x optical zoom and 10x digital zoom 11) 5Lux minimum 12) AC 24V input