Bevinsee 9012 HIR2 LED Headlight Bulbs 120W 22000LM For Chevrolet Volt 2011-2017
Bevinsee 9012 HIR2 LED Headlight Bulbs High Low Beam 120W 22000LM Super Bright Headlamp Conversion. 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).