Product Description: Quantity: one set Material: PC + ABS System: OBD2 + GPS, two modes Operating temperature: -40-80C (-100F to 170F) Ambient pressure: 86-106 kPa Relative humidity: 10% -95% Ambient noise: 60dB Operating voltage: 11V-18V DC Standby current: 20 mA Display mode: reflective image Display channel: LED display Size: 9cm x 5.3cm x 2.6cm / 3.54" x 2.09" x 1.02" (approx.) Weight: 0.27 kg / 0.6 LB For all PLUG and PLAY vehicles: The head-up display is suitable for all passenger cars, vehicles and trucks. Double system (OBD2 system and GPS system) adjustable by a dial. 2 different cables to choose from, easy to install, plug in and start working immediately. 3.5 inch LED display: Car Hud Display projects the screen information onto the windshield, making it easy to read while driving. Big and clear images, a cover at the top of the screen and a light sensor that allows the screen to automatically change the brightness according to the surrounding conditions. All of them ensure your driving safer and easier. Auto On: The GPS speedometer turns on automatically when the vehicle is started. The display turns off automatically when the vehicle is stationary. No manual operation is required. User friendly and energy efficient. 6 parameter display: The car speedometer can display many main driving information as follows: driving speed (Km/h, MPH), engine speed, voltage, water temperature (/), driving distance and number of satellites. Drawing Process: Adopting the wire drawing process, this HD car projector has anti-rust, anti-oxidation, anti-scratch and anti-chemical properties, keeping the appearance bright and shiny for a long time.