ISEEUSEE 4 Channel Video Security System DVR with 1TB Surveillance Hard Disk Drive and 4 HD 720P Night Vision Weatherproof Camera Free Pro APP EASY USE - 4 Channel 720P Video Home Surveillance System, 1080N AHD DVR, Playback 4 Channel at One Time SHARP CAMEAR - 4pcs 720P HD Night Vision Waterproof Indoor&Outdoor Security Cameras. CRISP IMAGE - 720p recording resolution (1280 x 720) support motion activated recording DIY READY - All cables and Accessories Included to Install yourself,Pre-Installed 1 TB Hard Drive (up to 4 TB) , Support Long time Continuous Recording WARRANTY - FCC Certified with UL Compliant Power Adapter, one Year Quality Guarantee, Lifetime 24/7 ISEEUSEE Technical Support