Specifications:
Diameter not exceeding 30mm is available
Material: PC
Battery Capacity: 300mAh Li-Battery (USB rechargeable)
Installed Diameter: Less than 30mm (Especially recommend for kids balance bike)
Work Time: 8-12 hours
Item size: 82 * 82mm / 3.2 * 3.2in
Package size: 86 * 86 * 37mm / 3.4 * 3.4 * 1.5in
Package weight: 70g / 2.5ounce
Packing List:
1 * Bicycle Wheel Light
1 * Set of Rubber Gasket
1 * USB Charging Cable