SPT Security INS-D3600W Day/Night Vision Dome camera is constructed of die-cast aluminum weatherproof housing. It is designed with 1/3" color CMOS sensor, 3.6mm lens and 1000 lines of resolution. It has 24 IR illuminators, which provides illumination up to 60ft. in little or no light. 3 Axis design. Other features include automatic white balance, automatic backlight compensation, auto gain control and wide dynamic range.