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Product name: A 200 multi functions HUD
HUD size: 9*5.4*1.2(cm)
Working voltage: 9 ~ 16 V dc (12 V dc/400 m A)
Alarm sound level: > = 30 dB (A)
Relative Humidity: 10%-95% environmental noise < := 60 dB (A)
Environment temperature: 40 c + 80 C atmospheric pressure 86-106 K Pa
Buzzer: long pull down the wave button for 5 seconds to turn off the alarm sound,do it again to turn on
Speed: short press in the wave button can switch the speed,water temperature,voltage
Speed unit: MPH and KM/H can be switched
RPM: 1 dot icon means 200 r
Water temperature: the default alarm value is 120 degree,it is adjustable
Fatigue driving alarm: it will give the fatigue driving alarm at every 4 hours,it's adjustable
Voltage: the default voltage is 10 v,it is adjustable
Light sensor: Automatically adjust the brightness according to the environment