Revo America Video Security System - 4 Channel 500GB 960H DVR with 4 700TVL Surveillance Bullet Cameras 4 Ch. 500GB DVR Surveillance System with 4 Quickconnect ports 700 TVL (960H) Indoor/Outdoor Bullet Cameras with 100' Night Vision (4) 60' Quickconnect Cable (4) Cameras lens: 3.6 mm Fixed Hard drive: 500GB