Q-See QT5682-4V3-1 8 Channel DVR 960H Security Surveillance System with 4 High-Resolution ***900***TVL Cameras and 1TB Hard Drive (Black) 8 Channel DVR | 960H Resolution | 900TVL Cameras - Model: QT5682-4V3-1 8-Channel Real-Time DVR with pre-installed 1TB Hard Drive (QT5682) (4) High-Resolution 900TVL Cameras with 3-Axis Brackets (QM9902B) (4) 60ft Cable for flexible installation - Power AC 110-240V, DC12V 2A (1) 4-way camera power adapter for efficient installation