... emergency lighting,outdoor use,climbing,riding 2LED Bicycle Light,silicone material,easy installation to the bicycle handle bar,seatpost,wheel,helmet,ectfashionalble design ... Mode:Fast flashing-slow flashing-long lasting mode-offvisible up to 600 metersGreat for emergency lighting,outdoor use,climbing,ridingProduct Specifications ... : 50*43*46CMG.W./N.W:16/15KGS Wholesale Silicone Bicycle Light