3. Adjustable parameters for brightness/contrast/color saturation/clarity/Gamma/. 2. Easy to operate, we provide easy-to-use software for display and recording, user-friendly playback. Economically efficient users do not require any DVR or DVR card. Only a few USB cameras and a computer can form a monitoring system to protect the safety of your house. 1. Easy to install, plug and play. Simply plug the camera into the computer's USB port and run the software to display and record videos. No need to install drivers. 4. Supports for WinXP/Vista/WIN7/WIN8/WIN10/Linux systems.