MagLite Solitaire flashlights feature a linear focusing adjustable beam that twists from an intense spot to a brilliant flood with a turn of the head assembly. Mini MagLite Solitaire flashlight weighs less than an ounce and is about three inches long. MagLite Solitaire flashlights include: energizer alkaline batteries, a spare lamp, and a sturdy key lead that makes it ideal for a key chain or purse. Features: - High-intensity adjustable light beam (Spot to Flood) - Rugged, machined aluminum construction with knurled design - Anodized inside and out for improved corrosion resistance - Innovative extended key lead allows the light beam and key to be used together in the same direction - Water and shock resistant - Spare lamp safely secured inside the tailcap Specifications: - Overall Length: 3 3/16" - Barrel Diameter: 1/2" - Head Diameter: 1/2" - Weight without Battery: 0.4 oz - Weight with Battery: 0.8 oz - Battery Life: 3.5 Hours - Battery Voltage: 1.5 volts Output - Battery Size: 1 AAA Alkaline