LED esituli FEMTO USB DRIVE, must

Compact, super lightweight USB rechargeable LED cycling taillight. Its durable co-molded construction is minimal and has an IPX7 water resistance rating. A versatile mounting strap quickly mounts to a variety of post sizes. Five output modes offer up to 5-lumens and the custom Wide Angle Optics lens provides well over 180° of visibility. The Femto USB Rear can run for up to 15 hours and is easily rechargeable with the included Micro USB cable. A secure, threaded composite matrix cover keeps the USB port clean and sealed. The Femto USB is perfect for commuters and recreational riders looking for a simple and inexpensive way to add visibility. Available in four colors: Black, Red, Blue, White. Also available as a pair.
 

MAX LUMENS: 5 
WEIGHT: 23g 
MAX RUNTIME: 15 hours 
RECHARGE TIME: 2:30 hours