yentl hud дисплей 3,5" поднимитесь универсальная чрезмерная скорость сигнализации цифровой автомобиль obd ii hud head up display auto window

main features: - plug and play - comprehensive display, hud can display many parameters at the same time as follows, vehicle speed, engine speed, low voltage alarm, high temperature alarm, speed alarm, free switching between kilometer and mile, free switching between centigrade and fahrenheit. - suitable size, the display area is 3 inches which is very clear for driver to read data. - flexible brightness adjustment. - automatic power on and off.