Features:1. High-brightness dual light source design, the headband light is made of 40 COB beads, and the brightness can be switched between 2 levels. The red light behind the battery box can flash synchronously with the white light. Can be used as a warning light.2. Adjustable elastic band, no tightness, comfortable to wear. One size fits most people.3. Waterproof design, the whole product is waterproof shell, good function in rainy days, and can easily cope with various environments.4. USB charging, built-in 1000mAh rechargeable battery, save the trouble of replacing the battery. easy to carry.5. Outdoor and indoor lighting is practical and convenient, and can be used for camping, hiking, running, car repair, house decoration, etc.Specification:Material: ABS,Color: As shown in the picture,Headband size: 15cm (non-straight),Weight: 116g,Lamp beads: COB,Luminous flux: 240 lm,Lighting mode: high/low brightness - flashing (red tail light & white light),Battery: Built-in 1000mAh rechargeable battery,Charging method: USB charging,Use time: 3.5H,Shipping configuration:1 * Lighting lamp,1 * USB cable