MagLite 4-Cell D Heavy Duty Aluminum Water Resistant Flashlight Blue. This Mag Instrument Mag Lite Flashlight has two high intensity White Star Krypton Gas Lamps for an enhanced brilliance and extended range. The Maglite 4 D-Cell Aluminum Flash Light by Maglite is also O-ring sealed for water resistance and has a spare lamp safely secured in the tailcap in case an extra replacement is needed. Let Maglite cater to your Flashlights needs with their high performance lights available in the Mag Instrument Flashlights section of our store. Available Options for Maglite 4-Cell D Heavy-Duty Light S4D015: Maglite 4D Cell Black Flash Light Display Box S4D035: Mag-Lite 4-Cell D Red Flash-Light Display Box S4D115: Mag Lite 4 D Cell Blue Flashlight Display Box Specifications for Mag Lite 4-Cell D Heavy Duty Flashlight Product: 4 D-Cell Length: 14"-23/32"-313mm Barrel Diameter: 1-9/16"39.67mm Head Diameter: 2-1/4-57mm Battery Required: (4)D Size Alkaline Features of Maglite 4 D Cell Heavy Duty Hand held Flash Light High-intensity adjustable light beam (Spot to Flood) 1/2 turn cam action focus Self-cleaning rotary switch 3 position On Off and Signal (Manual Momentary On-Off) Rugged machined aluminum construction with knurled design Anodized inside and out for improved corrosion resistance Water and shock resistant Spare lamp safely secured inside the tailcap Package Content Mag Lite 4 D Cell Heavy Duty Aluminum Water Resistant Flash Light w/ White Star Krypton Lamp MagLite 4-Cell D Heavy Duty Aluminum Water Resistant Flashlight Blue S4D115