Security TFT Monitor SD-USB (Optional)

7? Inch Digital TFT LCD Color Car Rear View Parking Camera Monitor
Anti-glare High Resolution,800(RGB)X480, 7-inch TFT LCD screen with excellent color
Working perfectly with Car DVD, VCD, camera.
Perfect companion product for the rear camera Automatically starts when you reverse, the video opened at the same time
For driving safety, this monitor only turns on when it gets power and receive a video signal,

please confirm whether your camera sends the video signal to it and you provide power to it successfully when the monitor does not turn on