1.2.4GHz wireless directly connect 2.4CH digital wireless camera& DVR system 3. Simple installation, no video cable required 4.Total digital wireless, no interferences, no privacy leak 5.10" LCD Touch screen with integrated video recorder 6.Support up to 128GB SD card or external 3TB mobile disk by USB2.0 7. Support 4 cameras/24 hours/7 days non-stop overwrite recording 8.Multiple recording modes: manual, schedule and PIR activated 9.20m night vision range 10.Video quality:1080P 25fps 11.Weatherproof outdoor cameras with 300m/1000ft transmission open range 12.Support HDMI video output function 13. IR-cut filter embedded