Specification: Brand: GEYIREN Model: P17 Name: Car Head Up Dispalsy Size: 125mm x 68mm Kindly Attention OBD Mode Working Voltage: 11V~18VDC (12Vdc/200mA), When Voltage Is Higher Than 24v, Please Use A USB Cable For GPS Mode. This Product Is A Dual System (OBD2+GPS):the Screen Flickers After Power On, Press Button To Select OBD2 Or GPS System, If Without Operation,it Will Automatically Enter The Last Selected System After 5 Seconds Features: - Clear and vibrant 4.3-inch LCD display for easy readability. - Universal design compatible with all car models and brands. - Simple installation with a reliable suction cup for quick setup. - Real-time display of important driving information, including speed, RPM, and fuel consumption. - Smart brightness adjustment for enhanced visibility in all lighting conditions. Package Includes: 1x P17 Car HUD Display 1x Rotary Suction Cup Mount 1x OBD Cable 1x USB Cable 1x Sticker 1x User manual