About this item Soft LightWith an anti-glare lens to protect your eyesight while being used in dark environments. H05 Lite headlamp is powered by 2 AAA batteries with 45 lumens output and about 23 feet beam distance. One Button Control Double press the top button to switch between white light and red light; single press to cycle between the white light settings (high/medium/low) or red light (constant on/flashing). Adjustable and Flexible With Nylon elastic strap, this light is comfortable to wear and can be perfectly adjusted to your head size. The head light tilts up to 45, allowing you to direct light exactly where you need it. Attached Battery Compartment KeyThe battery compartment could be opened with the included key, without worrying that it is opened by mistake. Mini and LightweightOnly 2.30x1.44x1.33in (headlamp only) and 2.35oz (including headband). Such a compact size and weight, you wont feel any fatigue after prolonged use. It is perfect for reading, jogging, walking, etc.