Motion detect, record & play
Support all kinds of CCTV cameras SD card support , up to 2GB  ;           Support playback images on TV/monitor /computer;                    
Has the simple operation interface, no need to install software;   
The image /video clips stored won't lose when power off;          
Min 100 meters transmission distance without block;                  
Support low level alarm output interface;      
Support 4 channels automatic cut over;                                                      
When no picture recording there be a sound , but when picture recording there be no sound .
The camera is 1/3 CMOS camera . 380TV line . 30LED lights for night vision.