Show your beloved motorcycle in a cool way and remind vehicles to keep a safe distance. New upgrade-vibration mode: Only one manual power on, after that just start the machine to sense the switch. Note: the light has memory functions.While you turn on the light again, it will will operate the color and mode of the last time before you turing. USB Rechargeable Design: Built-in 3.7V110mAh battery, only takes about 15 minutes for a fully charged, the light can work up to 8 hours. Smaller Size & Brighter Lights: Only weights 5.4g, super light weight, wont takes the space to the bike/car. The Strobe Lights adopts premium led chip-set, light effects & brightness will be better. Wide Applications: The strobe light can be used for RC car, RC boat, E-bike, dirt bike, camping, fishing, hiking, truck emergency. Installation Methods Method : Mount tape. Method Ą: Rubber ring.Method ˘: There are magnets behind the light, which can be directly attached to objects that can absorb magnetic force. Comes with detailed instructions for use. Product Parameter: Packing list