· 4CH digital wireless camera & DVR system · 2.4GHz digital wireless, no interferences, no privacy leak · 7" LCD monitor with integrated video recorder · Support up to 32GB SD card or external 2TB mobile disk by USB2.0 · Support 4 cameras/ 24hours /7days non-stop overwrite recording · Multiple recording modes: manual, schedule, and PIR activated · 5meter night vision range · Video quality: 4CH VGA 30fps · Indoor cameras with 300 m/1000ft transmission open range · Video output function for bigger monitor · IR-cut filter embeded