This system combines the best of REVO products. Starting with the 16 Channel REVO professional DVR that delivers commercial grade type features at affordable prices, two commercial grade indoor/outdoor turret cameras (RETRT600-1) and four indoor/outdoor mini turret cameras (RCTS30-3). The advanced 16 channel DVR produces 480 Images per second and allows real time recording on all channels. EZLink, Picture emails of cameras current view, Push notifications to most smartphones, as well as full DVR access using your smartphone to control PTZ cameras, search recorded video and monitor audio while you're on the go via REVO Mobile, a free app, are just a few of the features of this powerful, professional DVR that includes a 4TB hard drive. The hefty Turret style vandal proof camera is rated IP66 weather resistant and can be used inside or out. Generating a 600TVL super high resolution color picture, the cameras 42IRs permit night viewing up to 130 ft. The 6 - 50 mm commercial grade varifocal lens allows the camera to be set for tight/up close shots to crisp wide shots. The Quick Connect mini turret cameras have 700 TVL and 30 IR's allowing it to see up to 100 ft. in total darkness. The camera is IP66 rated, making the camera suitable for indoor and outdoor use. 60 ft. of RJ12 cable is included with each Quick Connect camera. For the 2 commercial grade turret cameras, cables and power supplies are sold separately. (RE2440TF and RBNCR59).