Type Fixed Dome/HDTV/Megapixel/Outdoor | Video interface HDCVI | Sensor size 1/2" | Focal Length 2.5mm | Min. Illumination 0.01 Lux | Effective pixels 3840(H)×2160(V) | Electronic Shutter Speed PAL:1/4s~1/100,000s, NTSC:1/3s~1/100,000s | Microphone Built-in | 2xAlarm In | 1xAlarm Out | Power supply requirements 12 VDC | Dimensions Φ149.8 x 47.7mm