The Femto USB Drive rear light is a compact, super lightweight USB rechargeable LED cycling taillight. Its durable co-molded construction is nonintrusive and has an IPX7 water resistance rating. A versatile mounting strap quickly mounts to a variety of post sizes. With five output modes, the Femto offers up to 5-lumens and the custom Wide Angle Optics lens provides 270 of visibility. It 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 Features: - Max Lumens: 5- Weight: 23g- Max Runtime: 15 hours- Recharge Time: 2:30 hours

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