GO PAL Bicycle Taillights X3 White&Red 90 Lumens Light,Waterproof Silicone,Batteries Included [Super bright]-Compare to the single color rear light, the red and white lights will greatly enhance the visibility, better protect your safe riding. [Easy installation without tools]-The extremely soft silicone material fits for most of bicycles, even the 85 years old lady can install easily. [Long use time]-Slow flash mode can be used 60 hours, and 8pcs additional free of charge CR2302 battery, no need to worry about the ball dropped. [Where you need to install]-It's small and soft so that can be installed in the place you need, such as seatpost, helmet, bag, baby carriage, camping etc. [Guarantee]-All Go Pal products can accept refund without any reason within 18 months.