The Raskullz Bolt LED Red helmet has a light-up 3D fin hawk! Five LED lights illuminate the rubber mohawk with a steady light or flashing sequence. Features: 3D fin hawk and radical printed graphics 5 LED lights light up the mohawk and operate in 2 modes: steady and flashing Auto-shut off feature conserves battery (2 x 3V CR2032 batteries included) Recommended for kids 5-8 years old but will fit anyone with a head measuring 50-54 cm Complies with the US CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older