SAFE IS THE FIRST----Just focus on your driving, could read speed at a glance with the digital numbers but without having to look down; This unit simply displays directly to you at whatever angle you set it up, no need to make effort to have a look, which may lead to make distractions or even cause accident. NEW DRIVING EXPERIENCE----10 kinds interface, free switch, LCD meter, clear fault code, read data stream; 2 install way with adjustable bracket, put on dashboard or stick to windshield, easy operation, non-destructive installation. A MUST HAVE----If you don't want your driving record to have points on it or pat hundreds of dollars in speeding tickets; If on a major highway, you really want to know how fast you are going; If your wife get worried and want to see you're not driving so fast as she feels; Or if you would like to solve your problem of never knowing how fast you are going, this speedometer perfectly matches your need. DRIVING MORE COMFORTABLE----When driving normally, the ambient light is blue color(automatically adjusts the brightness according to the environment ); when driving abnormally, such as speeding, the ambient light will be changed to Red color for alarming. MORE SMOOTH & STABLE----Common meter only has OBD mode, but ours is dual mode: OBD+GPS 2-in-1, the default display OBD+GPS function at the same time, and data display is more abundant. OBD system, can read more than 100 kinds of data in the car. If the vehicle doesn't have OBD2 protocol, only displays GPS function. This device is an innovative in car speed display device that uses digital display technology to allow drivers to easily read their vehicle speed without having to lower their heads. It can also display data directly based on the set angle, effectively avoiding distractions and improving driving safety. It provides 10 interface options for free switching, equipped with an LCD instrument panel that can clearly display fault codes and read data streams in real-time. It also supports dual installation and adjustable brackets, making it easy to operate and non-destructive to install. The product is particularly suitable for users who want to avoid speeding tickets, need real-time monitoring of vehicle speed, or are concerned about speeding. Through intelligent ambient light prompts - blue for normal driving and red warning for speeding, it makes driving more comfortable and reassuring. Its stable and reliable dual-mode design (OBD+GPS two in one) not only displays data comprehensively and supports reading over a hundred types of information inside the car, but also is compatible with vehicles without OBD2 interface, using only GPS function to ensure that all types of vehicles can be used. OBD system incompatibility: Not compatible with automotive protocols: JOBD and OBDI Incompatible car types: hybrid electric vehicle, diesel car, pickup truck, RV, computer modified car Incompatible car brands: Renault / Peugeot /Citroen /Fiat /DS /Lamborghini /Jeep /SIMCA /Suzuki PLEASE NOTICE: This product just available for cars with OBD2 agreement and EU-OBD agreement(European region: after 03 years, Other region: after 07 years). If you are not sure, please consult the merchant, Contact information available on our seller page. We will reply in time.