





H4 is a brand new upgraded version of the head up display, the first color version, with bright and eye-catching colors, a brand new interface design, larger fonts, clearer and smoother graphics, very beautiful, giving people a dreamy visual experience.
1.GPS data interface.
2.Key, press vertically inward press this key for 3 seconds to enter the setting.
3.Down key, toggle down press this key for3.
4.Up key, dial up seconds to switch units.

1.Sensing the external light intensity,automatically adjust the screen brightness to adapt to the environment. 2.Show the current direction of the car E (East), W(West),S(South),N(north),ES(southeast),WN(northwest),SW(Southwest),NE(northeast). 3.Buzzer sound on and off (sound will be on when speeding). 4.The signal is searched when flicker, and is stable when light is constant.5.Varies with speed. 6.KM/h-KM,MPH-miles. 7.The number shows the speed of the car.

GPS Beidou satellite signal, real-time synchronization accurate without manual adjustment, Adopts 10 Hz high refresh rate 10 photos/second, refresh fast, no delay,Up to 32 satellites.


![]() H4 |
![]() M2 white |
![]() M2 green |
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Function display Displays speed,compass,kilometer-mile unit switching,automatic light sensitive |
Function display M2 white displays speed,miles per hour units,and automatically adjust brightness |
Function display M2 green displays speed,miles per hour units,and automatically adjust brightness |
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Alarm function Overspeed alarm function |
Alarm function nothing |
Alarm function nothing |
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USB Interface Type-C interface |
USB Interface Type-C interface |
USB Interface Type-C interface |
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Size and Weight Product weight: 50g, product size: 9.9 * 6.5 * 2cm |
Size and Weight Product weight: 45g, product size: 9.0 * 1.4 * 4.5cm |
Size and Weight Product weight: 45g, product size: 9.0 * 1.4 * 4.5cm |
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Key button H4 one click to the end: press vertically, press down, and press up to switch |
Key button M2 white fully automated, no need for button adjustment, intelligent automatic |
Key button M2 green fully automated, no need for button adjustment, intelligent automatic |