--Installation diameter: the diameter of the hub does not exceed 3cm-toy stroller/balance car/bicycle (except for one-piece wheels)

--Bicycle Wheel Light, Balance Bicycle Spoke Lights, Warning light riding accessories A13

--Battery life: 8-12 hours (depending on the model)

--Safe and reliable: It is professionally manufactured, with strict quality control, long service life

--Easy to install: no tools are required ,simple and convenient installation

Description:Name: Wheel Light 

Battery: 300mAH lithium batteryItem model number: A13Waterproof grade: life waterproofLamp beads: 12pcs RGBBattery life: 8-12 hours (depending on the model)

Packing list:1 x Wheel Light Note:Different displays may cause the color of the item in the picture a little different from the real thing. Manual measuring,please allow 1~3mm error,thank you.