This EasyCap USB Video Capture Adapter features 4-channels video input and 1-channel audio input in one card, allows you to watch 4 different video displays in one screen. It is the safety system of ideal design for home, office, shop guard or baby care purpose. Users can do their own security by easy installation. It is the cost-effective solution to replace commercial VCR tape recorder, which also supports stable digitize video record and easy manages the recorded data via index of date and time. That's it, makes your life more safety and easier.