High Quality--- The product is equipped with 8 waterproof probes, all aspects of the recognition of the surrounding environment. Super anti electro magnetic interference, when the reverse gear is engaged, the system automatically turns on in the recognition condition. Dual-core CPU Respond--- Probe self-test function, special abnormal status request to avoid collision by reverse probe damage and obstacle detection can be accurate to cm 30-250. And the dual-core CPU responds quickly. LCD Display--- The camera is equipped with built-in microcomputer control, accurate digital, dynamic image display orientation sound and step-by-step instructions. Easy Installation--- Embedded probe installation, including instructions (not perhaps in German), easy to install. LCD display can be placed according to the driver's habits, such as the inside of the windscreen or the dashboard. 100% Satisfied--- We assure customers that our products are subject to stringent inspection and quality. Please feel free to contact us if there is any problem with the products.