Features: Double Functionality: Combines a easy carry charging solution with a bright LED light, perfect for outdoor activity like hiking, fishing, and emergencies lighting. Solid Metal Build: Features a smooth, strong metal exterior for increased durability and a comfortable grip. Small and Easy to Carry: designs with a build -in cable and handle for easy transport and storage. Four-leveling Energy indicates: LED displays show remaining power for easy monitoring. Fast Charging: Equipped with Type C input and advanced charging technology, delivering efficient 15W power for quick recharging. Specifications: Component : aluminum Size: about 33x130mm/1.29x5.11inch input: 5V/2.1Amp Charging power: 15W Battery: 21700 (excluding) Package Includes: 1xDIY Energy Device note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.