4CH Standalone DVR
4CH standalone digital video recorder (DVR) is most popular selling security equipment, especially in small and middle residential and commercial video surveillance projects. Our cost-effective standalone DVRs supports 4 channel D1 real time recording and playback. These security DVR can connect up to 4 analog security cameras and with extra 2/4 audio inputs. These DVRs come with full features and advanced functions, support manual recording mode, schedual recording mode, motion detected recording mode, as well as alarm triggered recording mode. The DVRs support RS485 for PTZ camera and alarm inputs and outputs, RJ45 for internet network connection. Some of DVRs feature with 960H resolution recording capability, and supports E-SATA, with HDMI high definition video outputs. All our security DVRs can support remotely view and control via internet or 3G/4G smart mobile phone devices.