Revo?s professional 16 channel Titanium Series surveillance system is perfect for small to large homes and businesses. Revo?s 5th generation 960H DVR continues to deliver commercial grade type features at affordable prices. EZLINK, email notification with attached video clip or jpeg image, video blind, and 12 channels of audio recording are just a few of the features of this powerful DVR. Also, you can use your smart phone to view live video, control PTZ cameras, search recorded video and monitor audio while you?re on the go, via Revo Mobile, a free app. This particular system comes packed with 2 Quick Connect indoor dome cameras, 4 Quick Connect indoor/outdoor bullet style cameras and 2 commercial grade indoor/outdoor boxes with enclosure cameras. The Quick Connect dome (RCDS30-3) and bullet (RCBS30-3) camera can deliver 700 TVL of resolution and have 30 IR LEDs allowing it to see up to 100 ft. in total darkness. The commercial grade indoor/outdoor (IP66) box camera (REXT700-2) is equipped with a 5 up to 50 mm vary-focal lens that allows maximum viewing angle flexibility. It also includes a heater/blower for operation in all conditions. All Quick Connect cameras come with 60 ft. of Revo?s exclusive Quick Connect cable. This special cable handles power/video/audio in one simple click. The Commercial Grade cameras come with 100 ft. of Siamese cable (Video + Power) and 24 Volt 50 Watt power Supply to power both cameras. Advanced, intelligent, video Surveillance.