Features： 1、Easy to install, it only takes 2 seconds to install or disassemble without tools, without cutting the wire, just install it along the spoke on the wheel. 2、A wheel can have more than one pattern, and the combination of multiple colors is even cooler. 3、Switch design, one‑key switch, colorful fast flashing, colorful slow flashing, multiple light colors slow flashing and fast flashing cycle. 4、Guaranteed safety, this bicycle wheel light will help you stay visible on the road in the dark. 5、Highlight your personality and mix and match a variety of colors to show your outstanding role. Specification： Item Type: Bike Spoke Light Material: Hard silicone Color: As Pictures Shown Product Size: Approx. 12.6x3.5cm/5x1.4in Weight: Approx. 27g/1oz Battery: 1 x CR2032 button battery 200mAh (shipped with built-in battery) Light color: seven colors (Red. Yellow. Blue. Green. Orange. White. Pink). Light mode: colorful flash, colorful slow flash, multiple light colors slow flashing and fast flashing cycle (controlled by switch) Battery replacement method 1. Turn on the lamp cap and remove the lamp 2. Push the old battery out with your fingernails 3. Put in the new battery (pay attention to the positive and negative terminals) Spoke lamp installation:  Install the spoke lamp to the spoke first, and then pull the salix leaves on both sides to one side, shake with your hand whether it is firm. Package List： 1 x Bike Spoke Light