1,Double Light Source: Headband lamp is made of 40 COB beads, 2 levels of brightness which can be switched. The red light behind the battery box flashes synchronously with the white light. 2,Adjustable Elastic Band: No tight feeling, comfortable to wear. One size fits most people. Stylish head straps are both stretchy and adjustbale to fit all adults and kids. 3,Superior Texture: Made of ABS material, the headlamp has waterproof shell with good function in rainy days, and can easily cope with various environments. 4,Convenient to Carry: USB charging, built in 1000mAh rechargeable battery, save the trouble of changing the battery, and can be placed at any time when you move, more easy and flexible to deal with. 5,Strong Compatiblity: Whether outdoors or indoors, the lighting can be used for camping, hiking, running, car repair, house decoration, ect and can be used as a warning light. 1 x Headlamp1 x USB Cable Item Type: HeadlampProduct Material: ABSLamp Bead: COBWeight: Approx. 142g / 5.01ozLM Flux :240 lmLighting Mode: High/low brightness flashing (red taillight and white light)Battery: Built in 1000mAh lithium batteryCharging Method :USB chargingDuration: 3.5h Note: 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.