`There are positive and negative points. In a hand-held flashlight, the base of the P13.5S bulb is the positive pole(+) and the side is the negative pole(-).Please double check the polarity of the flashlight!
`Much brighter than incandescent bulbs, longer lifespan than the original, a good replacement for flashlights. Easy to install. There are no dazzling spotlights.
`Discover the mysteries of the night: Outdoor adventures, Night riding, Camping, Hiking, Caving, Flashlights and more. Super invincible bright, giving you enough vision to ensure your safety.