Features: Built-in large-capacity rechargeable battery for long lighting hours. Waterproof design resists splashing from various angles, suitable for outdoor use and adverse weather conditions. Equipped with a USB output port, it can serve as an emergency power source for charging mobile phones. Uses a 26650 lithium battery with multi-directional heat dissipation to help protect the flashlight components. Specifications: Material: Aluminum Alloy Color: Black Battery: 26650 (not included) Micro USB Input: 5V 1A USB Output: 5V 1A Size: 17.5 x 5.6 x 3.4 cm / 6.89 x 2.20 x 1.34 inches Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package includes: 1 x P50 Powerful LED Flashlight (battery not included)