... work voltage :DC12Vn outpower ;3Wn input ;common anode n the light size;47X34MMn controller box size :30X60X85MM Product funtion : n product ... assistant:1pcs controller ,2pcs arrow light n turn left,Power on the left arrow light, the light scanning to the left, right ... right arrow lights when the power light to the right scan, dynamic.n color:yellow led turn Arrow light for motorcycle and car