BEVINSEE H7 LED Headlight Bulbs White Lamp Conversion Kit R eplace Halogen Lamp 6000K 6000LM 60W. 2x H7 Bulb Socket Adapters. 2x LED Bulbs. 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).
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