Description OBDGPS Dual SystemWe design with one step switch for OBD and GPS dual system, switch freely, easy to install. Compatible for all cars on the market.3.5 inch large screenOriginal with sun visor, 3.5 inch large screen, full HD display, no double image.Multi-Functions OBD/GPS Main System: Speed Alarm, Driving Speed, Engine RPM, Auto Photosensitive OBD: Instant Voltage, Trip Mileage, Sound Switch, Voltage Alarm, KM/MPH Switch, Temperature water temperature, water temperature progress bar display, automatic detector, water temperature alarm, rotational speed alarm, 4-segment adjustment.2 Years WarrantyWe provide 2 years warranty to guarantee all product accessories, free refund and return, exchange All to do satisfied service for you.Professional Customer Service We have followed the excellent advantages of our old series OBD2 HUD, and we give this model more stable and powerful chip, intelligent speedometer and high-tech order and standby to meet and solve all your questions and problems.Product Description Note: OBD and GPS dual systems, compatible with all cars. Plug and play, 11V~18VDC (12vdc/200ma), please use the USB cable when the voltage is over 24v. 1. Terms of Service: Ambient temperature: -40C to +80C Barometric press: 86-106KPa Relative humidity: 10% to 95% Environmental voice: 60dB 2.Working voltage: 11V~18Vdc (12Vdc/200mA) 3.Standby current:20mA 4.Screen Sheet: Reflective Image 5.Display screen: LED display OBD+GPS M7 HUD with anti-glare screen, it displays front windshield driving data, such as speed, engine speed, fuel consumption, water temperature, voltage, avoiding to driving becomes dangerous, due to monitoring the instrument while driving. 1. Combine OBD and GPS HUD system into one free switchAnti-glare screen 2. While driving, the driver will not see the LED light of the unit, which is much safer for driving.3.5-inch Full HD display 4. Auto power on/off 5. Auto and manual brightness adjustment modes 6.Work for cars with OBD2 and OBD1 interface Installation method: 1.Plug into OBD socket or cigarette lighter 2. A wire rod is inserted into a column sealing strip 3.Connect the OBD interface to the HUD and put it in the right place. Package Information: 1 x HUD unit 1 x USB Cable 1 x OBD Cable 1 x Non-slip Mat 1 x User Manual 1 x reflective film