Type HDTV/Megapixel|Pixel Resolution 3 Mega Pixel|Focal Length 2.8 mm|IR Illumination|Sensor size 1/3”|Microphone Built-in|Min. Illumination 0.78 Lux|1xMicroSD Card Slot|1xRJ45|1xAlarm In|1xAlarm Out|Power options 12V|Power supply requirements 12 VDC|Environment Indoor|Operating temperature range -10°C~+45°C