Description: 【Size Information】Car Head Up Display HUD measures approx 9cmx5cmx2.6cm/3.54inchx1.97inchx1.02inch, with 3.5inch screen size 【Key Parameters】Operating Temp: -40°C to +120°C. Voltage: 11V–18V DC (12V DC/200mA). Standby Current: ~20mA. Display: LED Screen. Humidity: 10%–95% | Noise: ≤60dB(A) 【Compatibility & Warnings】Only for OBDII/EOBD vehicles, Not fit for OBDI/JOBD. Vehicle Year Limits: US: 2003+ | Other Regions: 2007+ 【Plug & Play Installation】No wiring, simply connect via USB cable to any port. Works seamlessly with cars, trucks, motorcycles, boats, and more. Automatically powers on/off with the vehicle’s ACC system 【Comprehensive Manage】Keep track of essential vehicle metrics such as voltage, water temperature, and speed with a simple vertical press of the wheel. This HUD ensures you have all critical information at your fingertips Package Includes: 1 Car HUD 1 Cable 1 Reflective Film 1 Non Slip Mat 1 User Manual Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.