Installation : replace the car rearview mirror Applicable models: general Image format: PAL/NTSC (automatic switching) Video: two video inputs. V1/V2 switching. Rear view when reversing: specially designed reversing switching function, when reversing, the image can be switched left and right. Flip up, down, left, and right to set the memory. parameter: Screen: 4.3 inch new screen Resolution: 480x272 Brightness: 450 cd/m2 Contrast Ratio: 300:1 Display format: 16:9 Working voltage: 12-24v High power: 2W Working environment: -20 degrees Celsius ~ 60 degrees Celsius Material:plastic colour:black Package Contents: 1 set rear view mirror display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.