EverFocus (慧友) is one of famous security equipment manufacturer from Taiwan, China. The company launches latest IP PTZ camera model: EPN4220, which is high definition IP PTZ dome camera adopts Sony CMOS black camera, supporting H.264/M-JPEG multiply streaming technology, it can deliver 1920x1080 high definition real time image, and surveillance effect is excellent. Besides, the camera has built-in removable IR-CUT filter, can offer you true day/night video surveillance, with flexible pan/tilt/optical zoom function, which make it become ideal camera for big area surveillance.

With the rapid development of IP video surveillance technology, the current H.264 (MPEG-4/AVC) standard no longer meets the requirement of video encoding for higher image resolution. Especially, 4K UHD and 8K UHD video equipment will inevitably become the trend in the future. As the next generation video compression standard, H.265 comes into market, H.265 or High Efficiency Video Coding (HEVC) has been gradually adopted in high definition IP surveillance products such as HD IP cameras, NVR.