Features
4CH digital wireless camera and DVR system
Total digital wireless, no interference, no privacy leak
7 inch TOUCH KEY TFT LCD Monitor with integrated video recorder
Support up to 32GB TF card
Support 4 cameras/24hours/7 days non-stop overwrite recording
Multiple recording modes: manual, schedule and motion activated
6-15 meter night vision range
Weather proof outdoor cameras with 100M transmission open range
Video output function for bigger monitor
Simple installation no cable required          http://www.doorbellalarm.com/