This 600TVL dome camera is professional dome video color CCD vandal proof camera with 1/3" CCD technology; it delivers the most sophisticated technology into picture in the security industry. This IR Dome is constructed of die-cast aluminum. Inside the vandal-proof housing is a high resolution Sony CCD camera with IR lens. In low light or night situations the IR Dome has a photo sensor that switches the camera to B/W. This is further enhanced by the built-in 20-LED IR illuminators. Note: This camera not made by SONY, it using Sony Super HAD CCD image sensor and Sony DSP technology, made by one of the world largest OEM manufacture. This camera is the old style analog camera. It is not wireless, not wifi. It must work with a traditional analog DVR to work. If you have an old DVR system which is about 10 years old, you may use this camera. If you are new to the security camera, please do not purchase this camera.