Specifiction:
Material: ABS, Alloy zinc valve adapter
Power supply: 3 x AG10 battery (included).LED Color: Red, BlueLength: About 7.8cmDescription:7 colorful LEDs.Easy and convenient to use.Move-controlled LED sensor, automatically ON / OFF.Only suit for American, British Air Nozzle adapter.Multi Red or Blue English letters and automatically change.Package Includes:1 X Bicycle Light