1Multifunctional car HUD instrument, which has inbuilt multiaxis gyroscope and GPS system. 2Accurately measure the slope and inclination, the degree of downhill and uphill of offroad vehicles. 3 vehicle speed, altitude and vehicle driving direction. With highaccuracy satellite realtime clock function. 4Wide range of application, universal for all car models, which is a practical and reliable accessory. 5The installation is simple and does not require complicated operations. Item Type: Slope MeterMaterial: ABSCigarette Lighter & Car Charger Installation Method: Insert the car charger into the interface of the cigarette lighter and then insert the mini USB connector into the car slope meter. Stick the double-sided adhesive tape to the base of the slope meter and then install it onto the dashboard properly.Refitted Cable Installation Method: Connect the red wire of the refitted cable included with the product to the ACC power and the black wire to the ground wire, then insert the mini USB connector on the other end of the cable into the car slope meter. Stick the double-sided adhesive tape to the base of the slope meter and then install it onto the dashboard properly. 1 x HUD Slope Meter1 x Car Charger Power Cord1 x Spare Power Cord2 x Double-Sided Tape