The lamp can be clipped on to a hat, free your hands. Consists of 11 LED bulbs with USB charging. Great for fishing, cycling, camping, hunting, hiking, camping, running, etc. ，Features:，11 ultra bright white LEDs.，Lightweight, compact and engineered to withstand extreme conditions and use.，Attaches to cap for the most practical, hands-free light source available.，Quick and convenient USB charging, powered by power point, computer, power bank, etc.，Wonderful for night fishing, camping, hiking, repairing car and anytime you need bright illumination.，Specifications:，Material: Plastics，Light color: White，Item color: Black，Type: Battery powered / USB charging ( optional )，Dimension: 8.9 * 5.8 * 1.4 cm / 3.5 * 2.3 * 0.5 in，Weight: 36 g / 1.3 oz，Package size: 9.5 * 7 * 3.4 cm / 3.7 * 2.7 * 1.3 in，Package weight: 45 g / 1.6 oz，Package List:，1 * 11 LED Caplight，Note:，Batteries are not included.