Bavel Bicycle Light - Front and Rear Silicone LED Bike Light Set - Super Bright Strap Release Design Multi-purpose Water Resistant Headlight Solid, Durable, Extend Strong. All the sustainable use of light 45 to 70 hours 4 Kinds of switch: full light, flash, slow flash, off, Water Resistant Shower Proof Design. according to your actual needs can switch quickly , One-Touch Switch Design, Install or remove without any tools, Easy to use Mounts to Any Bike Quickly and Easily by Looping the Strong Silicone Loop around the Frame, and Hooking to the Light. Powered by 2 pcs Batteries (include) ship item:China