KPR138 Krypton Flashlight Replacement Bulb - Description - 70% Brighter than regular bulbs Krypton Gas Filled, Greater Range, Extended Life, Super White Light First Alert - 2.4W - 2V - 1.2A - B3.5 - Glass MOL 1.25" - Single Contact Miniature Flange Base KPR138 Krypton Flashlight Replacement Bulb