【signal light bulb Application】The bulbs commonly used for brake lights etc. NOTE: Load resistor or flash relay must be needed to prevent the hyper flash when replacement for turn signal lights.

【signal light bulb Advantage】Non-polarity design, just plug and play. 200% brighter than original halogen bulb,full Aluminum Housing, aircraft grade aluminum heat sink with Low temperature,360° shining without dark spots, which not only improves your visibility, but also makes your vehicle more visible to other drivers, increasing your driving safety.