HPR52 Halogen Flashlight Replacement Bulb - Description - 2.8 Volt - 0.85 Amp - T-3 HPR - P13.5S Base - 35 Lumens - C-6 Filament Design - 10 Average Rated Hours - 1.25" Maximum Overall Length - 0.38" Maximum Overall Diameter - Typically found in flashlights using two "D" cell batteries.HPR52 Halogen Flashlight Replacement Bulb