gftHBFgkl K1 HUD - Head-up Display GPS Speed Green Light KM H

Compatible With: All Car Models with USB Port. Warning: Speed Unit -KM/H (Kilometers), -MPH (Miles for US/UK). The speed unit is fixed. Before placing an order, please choose the right speed unit. Description: 1. Item Type: Head-up Display; 2. Material: ABS+PC; 3. Size: 70*42.8*20mm / 2.76*1.69*0.79in; 4. Product Color: Black; 5. Power Supply: Car USB Port 6. Input Voltage: DC 5V 7. Function: GPS Speed, Automatic Brightness, to Play. How to Install (First Use) 1. Noted: Before installation, drive your car in an outside place, not in garages or indoors, and then open your car window; 2. the USB cable into your car USB port or car cigarette lighter ports, and the other end to your device; put it on the dashboard, and stick the reflective film on the car windshield glass; 3. Turn on your car, it will take about 1-3 minutes to search for the signal; 4. When "0" appears, it is successful to install; driving your car on the road, it can read your real speed data; 5. Unplug the cable, the device will turn off. ========== Size Name : 70*42.8*20mm / 2.76*1.69*0.79inch Wire or Wireless : Wired Speed Type : GPS Speed Power Supply : Car USB Port Input Voltage : DC 5V Compatible with : All Car Modesl with USB Port. Function : Automatic Brightness, to Play. Light Color : Green Light/ White Light (Optional) Easy to Install : USB Cable to Play. Speed Unit : KM/H(Kilometer), MPH(Miles for US/UK) Warning : The speed unit can't be adjusted. Before placing an order, please choose the right speed unit.