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 RU82A4KBNDL-2 is a complete plug and play HD surveillance system with 8-Channel 4K NVR， 2TB and 4x 4K HD Indoor/outdoor Audio Capable Motorized Turret Cameras. The Revo ultra 8-Channel 2SATA NVR is powerful featuring state of the art H.265 Compression， up to 4K Recording， 4K video output and 2TB Video Surveillance Grade HDD. The H.265 Indoor/Outdoor Audio Capable Turret camera feature massive True 4K Sensors， 2 times the resolution of 4 MP Cameras. The 4K Turret camera come equipped with built-in Microphone for audio streaming and recording. The built-in Professional Grade OSRAM LEDs and IR anti reflection glass strongly illuminate the scene up to an unprecedented 175 in. total darkness. The RUCT2812-4 Turret camera features 4X optical Zoom and a 2.8 to 12 mm automatic lens allows convenient adjustment of the field of view (47 to 115) of the camera. The cameras are built for the outdoors capable of handling temperatures as cold -40°F and as hot as 140°F. View your Revo ultra 4K cameras from anywhere. Using the Revo ultra Mobile smartphone app， simply set up an account and then scan your NVRs QR code to begin mobile viewing.

8-channel 2TB IP H.265 4K NVR with 8 RJ45 PoE ports

Ultra plus motorized audio capable turret cameras (4)

100 Cat 5e cable included (4)

1-channel VGA， 1-channel HDMI at up to 4K(3840x2160) resolution

H.265 compression guarantees that the camera will perform properly in areas with lower network speeds and record for longer than normal on the same size HDD

True WDR (Wide Dynamic Range) for clearer video in challenging lighting conditions

Supports easy firmware upgrade via cloud (recorder and cameras)

2-step smartphone view setup iPhone and Android

Revo ultra EZStation computer software conveniently view multiple units at once