Bicycle Parts Wheel Valve Cap Light LED Vibration Sensor Light-Duty Alloy Universal Bicycle Cap Light for Outdoor Description: The wheel valve cap light with 3pcs AG10 button cells, so it is no need to connect to your cars electrical circuit. Vibration sensor built in, wheel valve cap light will automatically emit charming ring of light as soon as car starts up. Made of light-Duty Alloy, it is durable and sturdy. The wheel valve cap light length is 3.8cm. It is suitable for outdoor, car, cycling, camping and daily life. Item Name: Wheel Valve Cap Light Material: Alloy Features: Compact, Lightweight, Wear Resistant Size Details: Length: 3.8cm/1.5 (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wheel Valve Cap Light