Features: Ultra mini shape and super light weight, it's easy to carry. Waterproof, can be used in rainy days (Attention: you'd better not let it soak for a long time). Durable aluminium material casing. Tail cap ON/OFF switch. Powerd by one AA battery (not included). High tech bright LED with extremely long working life. Low consumption. Ideal companion for camping, fishing, hiking, traveling, climbing, etc. Specifications: Material: Aluminum alloy Switch: Tail-cap press ON/OFF Power: 3W Battery: 1 * AA battery (not included) Size: 9.6 * 2cm (Length * diameter) Weight: 51g Package size: 10.5 * 2.7 * 2.7cm Package weight: 56g Package includes: 1 * Led Flashlight3W Mini Aluminum LED Flashlight Torch Waterproof Camping Sporting Portable Led Torch(black)