There's No led light on this helmet led is not allowed to send to your country 1, For mountain bicycle,highway bicycle sports 2. 100% new brand and high quality for unisex kids 3. Size for head circumference S:45-50cm,adjustable size,if your kids have a big head , then this one does not fit 4. Color:colorful for your choosing 6. Materail:Outside:PC, inside:EPS,PU foam,nylon adjust belt 7. Technology:Unicase technology,more safe and perfect 8. Storage advice:do not stored in damp environment,near where the heat source or directly in night,helment for dry proceesing,suggest using canvas package for storage Certificaton:EN1078, SGS,CE