1. 2.4Ghz SD card wireless DVR 2. motion detection 3. 4 wireless+1 wired camera 4. IR remote 5. memory upto 4G SD card 2.4Ghz SD card wireless DVR--WVR620RProduct Model: WVR620Brief Introduction DV620R is a mini Motion Detect DVR being widely used in house, office, small super market etc. Function 1. Four optional channels video & auido input, auto-switch cameras;2. With frequency of 2.4GHz;3. ...
