【Lighting Modes】The taillights have a one-touch switch that provides four different lighting modes according to your needs. Including full brightness, half brightness, fast flashing and slow flashing
【Power supply method】330 mAh rechargeable lithium battery is built into the tail light. Comes with a charging cable to charge from your computer, power bank or any device with a USB port
【Applicable scene】Ideal for use as a navigation light, signal light or security light. Can be attached to any bike, helmet, backpack, pet collar, running and walking gear
【Easy to install】With the convenient one-touch removal button, you can simply slide the light on the base without removing the entire mounting bracket. The mounting base for the taillight has four openings for a snug fit on most handlebar and seatpost sizes
【Package includes】2 x Tail Lights (Red Lights), 2 x USB Cables, 2 x Mounting Bases