Mini Hornit LED Kids Bicycle Helmet Stealth Black Medium 54-58cmThe coolest kids’ bike helmets around, the Mini Hornit Lids feature stylish and fun designs so kids actually want to wear them! Fully adjustable, super comfortable and lightweight, the Mini Hornit Lids have an integrated rear facing LED for additional safety in low light conditions.• Head adjuster• 11 air vents• Complies with AS/NZS 2063:2008• Medium: 54-58LED Light• 3 modes• 2 x AG3 cell batteries• 10 hours constant• 20 hours flashing .