VJOYCAR S100 2023 Updated Solar-powered GPS Gauge Wirele HUD Display Digital Speedometer Odometer KM/H MPH Clock for All Cars Operation Video Guide: Product Overview: WORKS FOR ALL VEHICLES Unlike other Car HUDs, you do not need to worry about the compatibly, S100 could work for ALL vehicles, no matter which brand or which model all over the world cause S100 is based on the GPS module inside. Solar Powered S100 HUD is equipped with a solar Panel, it can charge automatically under sunshine, and can also connect the device to car power supply with USB cable. But Solar power can only extend the battery working time, can't replace USB Cable charging directly. RICH CONTENTS Almost everything you may need to read during driving will be shown by this HUD, including vehicle speed, Clock, Altitude, km/h & mph, total mileage, time & date and battery level, over speed alarm, fatigue driving alarm. A great partner for your driving. MULTIFUNCTIONS S100 HUD has been upgraded with new functions which make it different and more competitive than the traditional HUD in the market. Because S100 is based on the GPS module and satellite, so it can be used to read car data information. A multi-functional tool to help you know about your car. Chargeable 1000mAh Lithium Battery- Can keep working 22 hours continuously, and standby time is about 45 days, please fully charge for the first time to us. Driving speed calibration-If the speed is not accurate, can make driving speed calibration by hand: can add and decrease the speed rate as your need. Time calibration-If time can't be corrected automatically when tested on the car, can adjust time by hand also. Notice- 1.The Device is GPS Digital Speedometer, and all data are collected from satellites. So if tested at home, perhaps speed and time can't display correctly. Please test it on the car outside with good signal. Notice- 2.The battery will run out during transportation perhaps, if it can't be turned on after you receive the order, please charge it more than half an hour with original charging cable inside the package. One-Year