AV820W high sensitivity camera adopts the innovative seawolf image sensor and the resolution is as high as 690 TVL. It has digital WDR (wide dynamic rage), glare suppression, DNR (digital noise reduction) technology and other functions. AV820W uses 4 to 9mm varifocal lens. Powerful OSD menu includes brightness, contrast and color saturation adjustments, multi-area BLC, white balance, AGC and other functions, which ensure clear and bright pictures. Unique three-dimensional bracket help to carry out a 24-hour monitoring and an easy convenient operation. Power consumption of DC 12V.