32 colored LED lights make it possible to flash in 32 modes and change every 4 seconds. Simple and convenient installation steps will not waste your energy and time.The sealed lamp body makes it waterproof and can be used even in rainy days. And the light weight keeps it from adding weight to your bicycle.Made of ABS material, it is very durable to use.The length of this product is 14.8cm, the width is 3.9cm and the height is 2.6cm.It is suitable for bicycle, cycling, refit, bike, mountain bike, road bike and so on.Item Name: Spoke LightMaterial: ABSBattery: 3 x AAA Batteries (Not Included)Features: Long-lasting, Convenient, Good SensibilitySize Details: Size: 14.8cm x 3.9cm x 2.6cm/5.83" x 1.54" x 1.02" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Use:Press and hold the power button for two seconds to turn on, enter the induction mode, as long as the vibration is sensed, it will light up, and then press and hold for two seconds to turn off.Installation:It is applicable to conventional steel wire models of 20 inches and above, including disc brakes and ordinary V brakes. Not suitable for wide-spoke, sparse-spoke models.Package Includes:1 x Spoke Light