This bycicle taillight is great for cycling at night or in places where visibility and safety are a concern. Simply mount the quick-release mounts on the handlebar whose diameter is between 22-30mm. With and chic design, this solar powered bike rear light can not only be energy saving and exert great influence in lighting, bust also a decorative accessory for your bike. Features - Color: Shown in the pictures. - Material: Plastic. - Size: Approx. 7 x 5.5 x 2.5cm/ 2.8 x 2.2 x 1 inch (LxWxH). - LED Quantity: 2pcs. - Lighting Mode: ; slow flash; Always on. - Adopt top-class ABS material with matting surface. Look more high-end and chic for making your bike more cool. - Solar powered for convenient use. continuously for about 3 hours and flash about 6 hours if fully charged. - Easy to install. 3 lighting modes for freely changing as you want. - Bright to keep your driving on the road more safe and eye-catching. Suitable for tube of diameter of 22-30mm Package list: 1 x Solar Powered Bike Rear Light Bright Taillight Energy Saving