| Components |

Description The ECM (Electro Chromatic inside rear view Mirror) is for dimming the reflecting light from a vehicle behind at night, in order the user not to be dazzled by the light.
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Specification ItemSpecificationUltrasonic sensorVoltage ratingDC 12 VDetecting range30 cm ~ 120 cmOperation voltageDC 9 ~ 16 VOperation currentMAX 300 mAOperation temperature-30°C ~ +80°C (-22°C ~ +176°C)Operation frequency48 ± 5 KHzEffective operating velocity10 KPH (6.