4 CHANNELS 720P HD ANALOG DVR

● Up to 4 cameras with 1080p realtime perview                    
● All channel 720P live & recording                    
● H.264 dual-stream video compression                    
● HDMI and VGA output at up to 1920×1080P resolution                    
● Up to 4 channel synchronous realtime playback                    
● Support 1 SATA HDD up to 4TB, 2 USB2.0