With incredible video quality, ease of use, and powerful networking tools, Revo Ultra is the very best that Revo has to offer. The Revo Ultra's superb video quality is based on IP technology. The RU162PTZBNDL-1 is a complete plug and play SMART HD surveillance system with 16 CH 4K NVR, 3TB and 8x 4MP HD Bullet Cameras and 1x 22x 1080p PTZ camera. The REVO ULTRA 4K 16CH NVR is powerful featuring H.265 Compression, up to 4K Recording and 4K video output. Bullet Cameras feature massive 4 MP Sensors, 2 times the resolution of standard 1080p. The built-in Professional Grade LEDs and IR anti reflection glass strongly illuminate the scene up to an unprecedented 100 ft. in total darkness. The RUCB36-1 Camera features a 4mm fixed lens that provides an 80 wide angle of view. The cameras are built for the outdoors capable of handling temperatures as hot as 140F and as cold as -40F. The PTZ camera with a wall mount features 1080p resolution, 22x Optical Zoom, 360 Pan Range and -15 to +90 Tilt Range and delivers incredible video quality with the added powerful ability to zoom in and out remotely, endless Pan Range and incredible Tilt Range. The camera comes equipped with 5th generation infrared technology. The IR arrays strongly and evenly illuminate the scene up to an unprecedented 500 feet in total darkness. The polished look and intuitive feel of the Ultra's interface is a joy for everyday use whether you're using the NVR itself, the Mobile App, Computer Software or Browser.