1、Delicate crafts, a great gift for your friends or family. 2、The body is made of durable aluminium alloy, tough, stable and can serve a long time use. 3、Energy saving light source, the service life can reach 100,000 hours. 4、Built-in USB port. 5、Mini size, can be used as a keychain, convenient for you to use. Features: Delicate crafts, a great gift for your friends or family. The body is made of durable aluminium alloy, tough, stable and can serve a long time use. Energy saving light source, the service life can reach 100,000 hours. Built-in USB port. Mini size, can be used as a keychain, convenient for you to use. Suitable for both indoor and outdoor use. Such as hiking, camping, work use, exploration, home use, etc. Specifications: Material: aluminium alloy Color: blue, red, black, green, gold (optional) Working voltage: 3.7V Input: 5V/1A Output: 7.5VA Light source: LED Color temperature: 7500K Waterproof: IPX5 Weight: approx. 18g Battery: 1 * AAA battery (Not Included) Charge: Built-in USB port Lighting distance: 50-100m Luminous flux: 90LM Lifespan: 100000H Package List: 1 x Flashlight (Battery Not Included)