Intelligent Reverse Trajectory Tracks Camera. Imported chips Coms reversing track, 4-Layer glass lens make camera picture clarity, stability, good night vision effect. Imported 160 super wide angle lens, waterproof, dust-proof, anti-fog, shock-proof. Wide Angle, image recognition technology, precise trajectory reversing, the first leading technology. Specifications: TV system: NTSC Pixel: 720x582 Power: DC 12V Lens angle: 170 ruler function Easy to install. Its simple and design and small size won't draw any attention. It helps to avoid incidents and accidents abrasion well. Size: 51 mm x 47 mm for Mercedes- M or ML -ClassW163 W164 (2005-2012) for MB ML320 or ML350 or ML300 or ML250 or ML63 or W164 or ML450 for Mercedes- GL-Class X 164 (2007-2012) for GL Class X164 or GL350 or GL450 or GL500 or GL550 2007-2012 for Mercedes- R-Klasse W251 for R Class R300 or R350 or R280 or R450 or R500 or R63 2006-2013 Colour: black Material: ABS Package Contents: 1 x CCD Car Rear View Camera 1 x 6 m video cable 1 x power cable Remark:Install on Original Reverse Hole Only the above package content, other products are not included. Note: Light 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.