This three in one multi-sport helmet with integrated backlight, plus switchable shield and removable visor. The integrated rear light ensures improved safety and visibility on the road. Features: Removable visor, in sunny days, it effectively protects eyesight and prevents wind and sand. The tail lamp with brim can effectively remind the vehicle and pedestrians coming from behind and improve the riding safety. In-mold polycarbonate shells with EPS liner, strong shock resistance and impact resistance. Thermoformed reinforcement shock absorbing polystyrene, strong shock absorption, ensure the safety of users. Ergonomic design, suitable for most people's heads shape, adjustable. Lightweight design, no burden to wear for a long time. Clean pads are treated antibacterially and therefore prevents the rise of bacteria within the helmet. As a consequence, longevity and long-lasting hygienic freshness is achieved. Breathability and comfort, wind tunnel vents with internal channeling. Specifications: Color: black, red, white, carbon grain (optional) Battery: 3V, 240mAh Material: PC+EPS Suitable for heads circumference: 540~610mm / 21.3 * 24.0in Item weight: 230g / 8.1ounce Package size: 350 * 150 * 100mm / 13.8 * 5.9 * 3.9in Package weight: 330g / 11.6ounce Packing List: 1 * Helmet