Dear Sir/Madam, Type:IP Camera Style:Dome Camera Sensor:CMOS Technology:NetWork Special Features:Infrared sensor:1/4 1.0 Megapixel progressive CMOS sensor; Hi3518E compression:H.264 double streams Resolution:720P Two-way Audio:Yes Audio Input:1CH Audio Output:1CH IR Led:11pcs IR Distance:10m Lens:3.6mm 2 megapixel lens Protocol:Onvif 2.0 Show More