DEFEWAY 4 Channel Wired Outdoor Security Camera System,4pcs 720p Video surveillance Camera 4ch audio DVR with 1tb Hard Drive Easy Setup:3 steps to setup DEFEWAY 720p Security camera system with advanced mobile apps,connect surveillance system with internet first,download N_eye App,scan the QR code,Playback video recording anywhere and anytime 720P HD Video:4pcs waterproof outdoor bullet video camera delivery a sharp and crisp image in day or night with the camera's automatic IR-cut filter.Up to 85ft night vision Pentaplex Operation:view, record, playback, back up & remotely control the system simultaneously,4ch audio DVR support playback 1 channel in 1 time Intelligent Motion Detection:any movement detected will be recorded and allows you save more capacity hard drive,pre-installed 1tb hard drive support 10 days nonstop recording Worry-free customer service:1-Year Warranty and Lifetime Support,Any Problem Please Contact us directly,Attention:DEFEWAY Video Camera System Support 110V-240V