Type Fixed/HDTV/Megapixel|Pixel Resolution 8 Mega Pixel|Focal Length 2.8mm|IR Illumination|Sensor size 1/2.5” 8MP 4K megapixel progressive scan CMOS by SONY|Microphone Built-in|1xMicroSD Card Slot|1xAlarm In|1xAlarm Out|Power options 12V|Power supply requirements DC12V|Environment Indoor|Operating temperature range -10°C~+45°C