Waterproof design, 160° viewing angle. Sturdy body, high-quality LED headlights, retro look. Full 30 hours operation time, 3 white LEDs. Especially suitable for riding at night. On/off switch top, easy to install and adjust Specifications:   Material: ABS engineering plastics Color: silver, black Headlight size: 7 cm (Dia). * 9 cm (left) Bracket size: 7 cm (L) x 2 cm (W) Battery type: 3 AAA batteries (without batteries) Package Included: 1 x LED headlight 1 x rack. Specifications: Material: ABS engineering plastics Color: silver, black Headlight size: 7 cm (Dia). * 9 cm (left) Bracket size: 7 cm (L) x 2 cm (W) Battery type: 3 AAA batteries (without batteries) Package Included: 1 x LED headlight 1 x rack.