Description: With the integrated design of this riding helmet, the adjustable head circumference makes it comfortable to wear, in addition, it adopts a streamlined appearance and is designed with large ventilation holes, making it breathable and sweat-free. Designed with a removable good brightness tail light, this cycling helmet has three adjustable light modes and can be charged quickly for better protection of night riding safety. It is constructed of PC/EPS material. The head circumference is 56-61cm. It is suitable for cycling, rider, outdoor and so on. Item Name: Cycling Helmet Material: PC, EPS Lumens: 80 Lumens Mode: Flash/Slow Flash/Always On Tail Light Battery Capacity: 300mAh Features: Shock Absorption, Magnetic Clasp Design, High Brightness Tail Light Size Details: Head Circumference: 56-61cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cycling Helmet 1 x Tail Light