✔GUARANTEE TO SEE - Visible 240 degrees, demands attention from 5 blocks away and gets the space you need to feel safer on the road. ✔SAY LONGER ON THE ROAD - Provides peace of mind knowing you have over 16 hours of attention with bright indicator lights. ✔BUILT TOUGH, BUILT TO LAST - Water and shock resistant aluminum body, Double waterproof rubber ring, even in the toughest terrain. Guaranteed to work rain or shine ✔SAVE TIME & FRUSTRATION - No tools required; Easily install it in seconds and remove it moments when parked. ✔WIN - WINNING SITUATION - Any problem can contact us and we will try to solve it within 24 hours. We promise a money back guarantee. Product Description The bicycle tail light is sturdy and constructed with high quality aluminum to withstand knocks and damage. With the reliable time-tested design, let you drive safely for more than 26 hours (strobe). Double rubber ring waterproof up to IPX6 waterproof. 240 DEGREE VISIBILITY - SAFETY ON ALL SIDES 45% of bicycle and car collisions occur at intersections. Get 240 degrees of full visibility with each of these downsized lights. Always make sure everyone is alerted on both sides when crossing an intersection. The rear bike light has been specially designed with precision-cut openings to allow light to spill out to its sides.