9003 H4 HB2 LIGHT BULBS. Number of Bulbs: 2PCS H4 Light Bulbs( High & Low Beam ). Installation: Plug and Play, H4 Plug. Color Temperature: 6000K nature white light. Over 50,000 Hours Service Life. Efficient Cooling System, up to 60,000 hours lifespan : whole aviation aluminum body, 12000RPM turbo cool fan provide super cooling ability, which ensures a longer lifespan up to 50,000 hours.
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