This is one of our most popular and highly recommended color dome cameras for a number of reasons: 1.It is dc power supply and has auto iris, auto gain control and auto white balance. 2.Built with a 1/ 3" Ultra Hi-Res Sony Color CCD image sensor, 3.600 TV lines high resolution camera with a 0.0 LUX rating. 4.The 3.6/ 4.6.8 mm optional fixed lens gives you the flexibility you need to adjust the camera based on your specific needs.