Fishing Hiking Adjustable USB Rechargeable LED Lamp Clips Hat Hat Handlebar Light Specifications:Battery status display function, it will display in 4 levels: 100%, 75%, 50%, 25%. Clip-on design, you can clip it on your hat, coat, or you can also apply it on your bike. Lightweight and portable, easy to charge via USB cable from power bank, laptop with USB interface. Item Name: Hat Lamp Material: ABS Material: Built-in 1000mAh Lithium Battery (Included) Features: Super Bright, Portable, USB Rechargeable, Waterproof, Adjustable Size: 6.8cm x 5.8cm x 2.1cm/2.68" x 2.28" x 0.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included:1 x Cap Lamp1 x USB Charging Cable