The waterproof and dustproof effect is good, which can ensure that it stays bright and penetrates in rainy days, foggy days and nights. Bicycle lights are ideal for cycling and night riding.Product description 1. The combination of high-quality bicycle tail light kit can be connected to almost any bicycle frame, front fork, seatpost, handlebar or helmet. 2. The PC shell highlights the high-end quality and high transparency lampshade, and the lamp beads give you an extraordinary experience of bicycle taillights.Installation method: 1. Insert the bracket clip into the tail light. 2. Insert the silicone tape into the buckle. 3. Determine the position on the post and buckle the silicone band into the buckle. 4. The installation is complete.Product attribute Material: ABS Color: red, blue, white Brightness: Max 30 lumens Lamp beads: 2835 SMD lamp beads Mode: Alternating slow flashing, all lights flashing fast, alternating fast flashing, always onWarm reminder 1. Please remember that due to the lighting effects, the monitors brightness / contrast settings / etcs, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.