How to Use: Wiring Method: 1. Video cable Video trigger line: One end connected to the positive pole of the reversing light One end is connected to the trigger line of the DVD or display Standard AV RCA head (RCA double male connector): One end connects to the camera video interface The other end is connected to the video input interface 2. Power cord Red connect to the positive pole of the reversing light Black (ground wire) to negative pole The plug is connected to the camera power supply Specification: Item Type: Backup Camera Material: ABS Image Sensor: PC7070K Pixel: 720P Image Format: NTSC/PAL Diagonal Angle Of View: 170 Degrees Rated Voltage: DC12V Protection Level: IP67 Size: Approx. 60.7 x 26.5mm / 2.4 x 1in Fitment: Replacement for Mazda CX-9 2007-2014 Replacement for Mazda 5 Premacy MK3 2010-2015 (This is a special camera, it may be suit for other model from the same brand.) Package List: 1 x Reversing Camera 1 x Power Cord 1 x Video Cable 1 x Manual Note: 1. Please measure the size before buying. 2. Please allow slight error due to manual measurement. Thanks for your understanding.