【GPS speedometer】:The speedometer uses GPS satellites to collect speed data independent of the car engine and does not damage the car's circuit board or OBD port.
The product can be used on a wide range of vehicles such as cars, bicycles, motorbikes and all other vehicles on the market
【Easy installation】: the product is very easy to install, no buttons, no setup required. the USB cable is plug and play. If your car has a USB port, plug the USB cable into the USB port; if your car does not have a USB port, give it a car adapter.
【Automatic on/off】:Built-in vibration sensor, when motion is detected in the car it will be switched on and the driving speed will be displayed in large font.
If it remains 100% stationary for more than 3 minutes it will be switched off. When it is off, there is no power consumption.When using it for the first time, it takes 10-30 seconds to get a GPS signal.