The C550DN super high resolution 550 line professional video camera is for those applications that need an uncompromising level of clarity. The internal/external (line lock) synchronization will ensure you have a consistent picture when you link multiple cameras and multiplexers together. With the built-in electronic shutter, backlight and AGC, you will have complete control of your picture output. This camera works with dual voltage power sources. Installation is fast and easy with the tripod screw holes already located on the top and bottom of the camera. Lens not included.