Warranty 3 months warranty product details description ahd 4 channel dvr kit hot selling. the 4 ch full ahd dvr combo 4 pcs dome style 1000 tvl indoor channel dvr home cctv kit includes a 4 channel h.264 standalone dvr and 4 color security cameras providing everything you need to have your surveillance system up and running. the dvr is a 4 channel, fully integrated, real time, and hardware based standalone dvr with network access, vga video output, and usb 2.0 backup. the cameras included in the kit are 1/4" color cmos ir night vision dome cameras.it has network access, vga video output, hdmi port and usb2.0 backup.this system allows you to view your footage no matter the time and location. access your dvr via your computer over the internet.