ludopam conversion upgrade led bulb for 3 4 5 6 cell c/d maglite flashlight ludopam <p><b>important warning</b> - <i>this bulb is <b>negative-ring, positive-tip</b>. please check your battery polarity before replacement bulb.otherwise, the bulb will be short circuit and began to heat.</i></p><p><br></p><p>item model: p13.5s</p><p> power :3w</p><p>beam angle:110 degree</p><p>color : white</p><p>color temperature: 6000k</p><p>voltage : dc 4v-12v</p><p>base: p13.5s</p><p>led quantity : 1 leds per bulb</p><p>function: tourch, flashlight headlight</p><p>life span: 30,000hours</p>