Feature: 1. GPS mode Function: speed, voltage, speed progress bar, single mileage, number of satellites. Alarm: Overspeed alarm (single-stage alarm/four-stage alarm) Low voltage alarm. 2. OBD mode Function: speed, RPM, single mileage, water temperature, voltage, clear fault codes. Alarm: Overspeed alarm (single-stage alarm/four-stage alarm) Water temperature high alarm Low voltage alarm. 3. Integrated shading design blocks the light of the display, safe driving at night, no dazzling. 4. Dual-chip dual-computing: using dual-system, a variety of car data can be freely selected. 5. Automatically adjust the brightness: equipped with sightseeing element, automatically adjust the brightness of the screen according to the intensity of the outside light, so that it can be clearly seen under strong light.Specification: Screen size: 3.5-inch Product size: 90x53x26mm/3.54x2.09x1.02"'"'" Package size: 143x90x51mm/5.63x3.54x2.01"'"'" Gross weight: 230g Material: ABS+PC Color: Black Applicable model: GPS mode supports all vehicles, OBD mode supports vehicles equipped with OBD interfaceCompatibility: For OBD2 gasoline vehicles produced in the United States after 2004 For OBD2 gasoline vehicles produced in other countries after 2008.Incompatibility: NOT for American cars before 2004 (including 2004): NOT for Dodge, NOT for JEEP, NOT for IMSEOER, NOT for Chrysler. NOT for French and Italian cars: NOT for Fiat, NOT for Maserati, NOT for Lamborghini, NOT for DS, NOT for Peugeot, NOT for Citroen, NOT for Renault, NOT for Simca, etc. NOT for some Japanese cars: NOT for Suzuki, NOT for Mazda 6, NOT for Infiniti (QX50 Q50 Q501), NOT for Toyota AVANZA 2013, NOT for Lexus (is250, ex250, ES300H), NOT for Honda (Jazz, CRV), NOT for cars produced before 2008. NOT for Hyundai Sonata 2013, NOT for Kia Soul PS 2017, etc. NOT for Hybrid and diesel cars, pickup trucks, RVs, cars equipped with modified car computers, NOT for Volvo, NOT for Chrysler Group, NOT for Fiat Group"'"s all models.Tips: Before placing an order for modified cars and special vehicles, please confirm whether your vehicle supports OBD2 protocol.Packing list 1 X Car HUD 1 X OBD Cable 1 X USB Cable 1 X Reflective Film 1 X Anti Slip Mat 1 X Manual