1:Adjustable Headband: The rechargeable LED headlamp is compact and easy to use and carry. The adjustable headband for comfortable to wear and not easy to deform. 2:4 Lighting Modes: With strong COB light source, the LED headlamp has high brightness. There are 4 lighting modes: white light highlight, white light low light, red light and red light flash. 3:Night Indicator Light: The red indicator light on the battery holder plays a good warning role when walking or riding at night to protect your safety. 4:Adjustable Lighting Angles: The headlight can be adjusted for 90 degrees, and different lighting angles can be adjusted as needed. 5:Life Waterproof: The headlight is life waterproof that can be used in rainy days. Suitable for outdoor activities, such as night riding, camping, hiking, night fishing, cave exploration, etc. Specifications: Material: ABS Light source: COB LED Modes: white light highlight, white light low light, red light and red light flash Power supply: 2 x Pointed 18650 battery (not included) USB Rechargeable: Yes Lamp head size: about 11x4.8x4cm/4.33*1.89*1.57in Weight: about 159g