☄【With Three Modes】Bicycle Back Ball Light has three lighting modes, including always (6-8 hours), slow flashing (12 hours), or fast flashing (10-12 hours). Press the power button to change modes and turn them or off. ☄【Heart-Shaped Design】Bike Silicone Light uses a heart-shaped design, so it is unique and attractive. It has a wider field of vision that allows you to see people better in the dark. ☄【Waterproof Design】Bike Heart Light is waterproof, so it can be used normally rainy days, no need to disassemble it when cleaning the bike. It can make your night driving safer. ☄【Sturdy and Durable】Heart Shaped Tail Light is made of high-quality silicone material, so it is sturdy, durable, and smooth. It can be used for bicycle lights or room decoration. ☄【Easy to Use】You can install our Silicone Bike Tail Light anywhere you want in seconds, such as your handlebars, seat post, or anywhere your frame, even your backpack, just press the button the light to use when turning the light.