Ships by Air Mail, please allow extra time for delivery. High quality CNC Upgrade LED. Retrofits 3 to 6 D or C battery cell incandescent Maglites including the new Xenon bi-pin bulb fitted to new Maglites. For the Xenon bulb please remove the bi-pin bulb and white plastic bulb holder from the socket. Interchangeable between old and new style incandescent Maglites. Fitted with premium Cree XP-G2 S4 LED, 350 lumens. Superior CNC LED Bulb. UpLED's larger CNC Bulbs have More Metal/Mass = Better Heatsinking/Convection = Brighter Performance. Unlike cheaper made LEDs this has overheat protection to prevent damage to the LED. Electronically regulated to maintain a non-dimming light. Only dims towards end of battery life. 4x longer 15 hour runtime on 3 D battery cells. Fits Maglite Flashlights only. Does NOT work with 2 D/C battery cell Maglites. Does NOT fit the Rechargeable Mag Charger or other flashlight brands. We also sell a super Ultra Clear Crystal Glass Lens with AR Coating for the D/C Maglites, $4.75. When bought with this LED no additional shipping charge. LEGAL DISCLAIMER: MAG-LITE is a trademark of Mag Instrument, Inc. as is the circumferential inscription around the face caps of all of Mag Instrument flashlights. Mag Instrument flashlights are shown here for illustration only. Rapid2you Ltd is not affiliated with Mag Instrument, Inc. and its products are not made, endorsed or sponsored by Mag Instrument, Inc