Plug it in the hole on both ends of your bicycle handle bars.<br>Suitable for the tubes which diameter is between 16-23mm, external diameter is 25.2mm.<br>Long lasting, and safety attached, it will give you extra safety while cycling at night.<br>Simple and convenient to keep it with you, a good assistant for bicycle decoration.<br>LED light color: red<br>2 working modes: Strobe /Steady<br>Material: Silicone and alloy.<br>5 Colors for choose: Blue/Black/Red/White/Silver<br>Battery included:2 x AG10 (Each LED light)<br>There are 3 kinds of flash speed by pressing once, twice, three times.<br>Size:4.5cm x 2.5cm /1.76'' x '' x 0.98''(approx)<br>Quantity: 1 pair<br>Note: Please allow 1-2cm error due to manual measurement.<br>Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/551cb71f14d09f0d9ab3b5cc-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/551cb71f14d09f0d9ab3b5cc-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/551cb71f14d09f0d9ab3b5cc-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/551cb71f14d09f0d9ab3b5cc-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/551cb71f14d09f0d9ab3b5cc-5-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/551cb71f14d09f0d9ab3b5cc-6-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;">