Compact, super lightweight USB rechargeable LED rear bicycle light by Lezyne. This durable light is made with minimal co-moulded construction and has an IPX7 water resistance rating. It features a versatile mounting strap that can quickly attach to a variety of post sizes. With five output modes offering up to 5 lumens, and a custom Wide Angle Optics lens providing up to 270° of visibility, the Femto USB Rear light is perfect for commuters and recreational riders. The light can run for up to 15 hours and is easily rechargeable using the included Micro USB cable. A secure, threaded composite matrix cover keeps the USB port clean and sealed. Add visibility to your bicycle with this simple and affordable light.