LED Conversion/upgrade bulb for many popular Torches/flashlights P13.5 Flange Universal Non-Polarity 1-9V 1W 120LM CREE. 50,000+ hours! Efficient 1W CREE LED with 120 lumen output Fits many popular torches that use the P13.5 flange type lamp base Non-Polarity bulb so standard or reverse polarity setups supported for maximum compatibility A whopping projected lifespan of 50,000+ hours! Simple installation, straight swap for the existing bulb  no tools required.