With incredible video quality, ease of use, and powerful networking tools, Revo Ultra is the very best that Revo has to offer. Revo Ultra Plus offers additional features perfect for professional and premium residential applications. The RUCFE4K-1 Revo Ultra Vandal Resistant Fisheye Fixed lens Dome Camera delivers incredible True 4K (3000*4000) video quality - double the resolution of 4 Megapixel. The ultra wide angle lens provides a 360° panoramic image. The RUCFE4K-1 comes equipped with a built-in microphone & speaker for two way audio support. The embedded IR LEDs are specifically designed to cover a 360° field of view and will illuminate the scene up to 75 feet in total darkness. Revo Ultra cameras are built for the outdoors, capable of handling temperatures as hot as 140F and as cold as -30F, rain or shine. The RUCFE4K-1 steps up its powerful security with IK10 vandal resistant engineering. When it comes to surveillance, every detail counts. Experience Peace of Mind with the ultimate high resolution IP technology from Revo.