Type HDTV/Megapixel/PTZ|Pixel Resolution 4 Mega Pixel|Focal Length 4.5mm~135mm|Optical Zoom 30 x|Sensor size 1/4" 4MP CMOS, 2592×1520 @25FPS|Min. Illumination 0.05 Lux|1xAudio-In|1xAudio-Out|1xMicroSD Card Slot|2xAlarm In|1xAlarm Out|Power options PoE|Power supply requirements AC24V/1.5A(±10%), PoE+(802.3at), 13W max|Operating temperature range -30°C ~ 60°C|Dimensions Φ198(mm) x 177(mm)