本店目前产品一律都是厂价* Turn off your computer and unplug its power cable. (2)Connect the blue connector of the video cable to the blue video connector on the back if your computer. (3)Connect your monitors power cable to the power port on the back of the monitor. (4)Plug your computer's power cord and your monitor into a nearby outlet. (5)Turn on your computer and monitor. If the monitor displays an image,installation is complete. (6)If you are using BNC connectors (not available on all models),please remember to switch to “Input B” from “Input A” by simultaneously pressing the “OK” and “UP” knobs on front control panel :The battery's service life is 10 years