<br>Features: <br> <br>Nice designs: <br>Designed with 4 kinds of switch, such as full light, flash, slow flash, off, you can switch quickly according to your actual needs, water resistant and shower proof design, these bike lights can serve you for long time. <br> <br>Easy to install and take down: <br>With silicone buck design, you can install or remove the bike light easily without any tools, can save you much time. <br> <br>CR2032 button batteries : <br>Using two CR2032 button batteries for each light, all the sustainable use of light about 45 to 70 hours, scintillation sustainable use of abut 160 hours. <br> <br>Specification: <br>Material: mainly in silicone <br>Size: as the picture show <br>Color: as the picture show <br> <br>Package includes: <br>16 x Bicycle light <br>10 x CR2032 batteries <br> <br>Note: <br>Please allow a little error on the size due to manual measurement. <br>The color might exist slightly difference due to different displays. <br>Small items exist, please keep away from little kids.