Car Projector Alarm Head Up Display
Main Functions & Features A. OBDII cable input : a. Up button = up motion B. Power button : b. Ok button = inward button presses C. Setting button: Three ways of setting button : c. Down button = down motion 1.Engine RPM 2.Water temperature icon 3.RPM unit 4.Alarm (On/Off Option) 5.Speed unit at KM/H 6.Speed unit at MPH 7.Voltage icon 8.Multi-function area: speed, water temperature, voltage 9.Light sensor (Automatically adjust the brightness according to the environment) GEYIREN A900 Auto Hud Display Car Projector Alarm EOBD OBD2 Head Up Display Speedometer Windshield Electronic Accessories Please read carefully before placing an order: 1. If your car is pre-2004 (for US automakers) and pre-2008 (for European/Asian automakers), the protocol is not compatible. 2. After receiving the package, please test it on your car as soon as possible. If you do not want to keep the device after testing, you can also contact us to return it for a ful