Applications: View and power CCTV camera during installation, before installing cable, hands free operation allows for increased safety, view any video output for any security application. Daylight viewable display. BNC loop thru capabilities. On screen display of video settings. High contrast 3.5" LCD screen. One year limited warranty. Rechargeable batteries. Non-slip silkgrip finish. Safely test security cameras with hands free operation. Built-in speaker.