The VideoSecu DM52S Color Dome camera is one of our best selling products. It uses the latest Sony CCD and Digital Signal Processor (DSP) technology features a 1/3 inch Sony super HAD CCD imager with 520TVL lines of resolution, delivers sophisticatedly reliable and accurate crisp clear pictures as you expected. The Built-in 3.6mm lens offers you a wide angle view. This dome is unobtrusive, features a 3-axis design that allows it to be mounted on vertical and horizontal.