Lampadine LED Moto H4 Fascio Alto/Basso 6000K Per Yamaha WR125 R X WR450 F
Low Beam High Beam. High Beam:10W. Low Beam:10W. -Hi/Low Beam. situation 2:use this case to judge whether is a reverse polarity plug(turn bulb's plug 180° to insert into headlamp and turn on to test).