This Nilight LED headlight bulb kit is designed for front placement on a vehicle and is a direct replacement for HB4 (9006) and HB3 (9005) bulb shape codes. The kit includes four LED bulbs that are 350% brighter than traditional bulbs and emit a 6000K color temperature light. These bulbs are suitable for use as a high beam or low beam headlight. The kit is manufactured in China and comes with a warning regarding potential exposure to chemicals that can cause cancer and birth defects.