Double lamp,the third generation and array of infrared lamp, the distance of infrared is 50 merters.Auto electronic shutter,Automatic backlight compensation,Auto white balance,Intelligent infrared blast protection,2D noise reduction,(100DB)D-WDR,Privacy block, HLC, Low illumination ,Induction infrared will turn black and white,Chinese/English OSD menu control,Crystal filter,Wide Range Voltage Input Input, video lightning protection,DC12V±10%。4mm/6mm/8mm/12mm/16mm lens can select.