Power Supply: Powered by 3* AG10 button battery(included), manual control switch.
Keep You Safe: Bicycle tire valve lamp makes you attractive and safe when riding at night. This bicycle safety light will help you visible on the road in dark.
Material: Aluminum alloy + plastic + electronic. Suitable for American style mouth, can be easily installed and removed.
Colorful Led Lights: 5 bright colorful Led lamp lights flash 7 patterns, it will look awesome on your bike in the dark night.
Size: 7.5 * 1.4cm / 2.95 * 0.55inch. 2pcs/set bicycle tire wheel valve cap light.