The Lezyne Femto USB Drive light set features a pair of front and rear compact, super lightweight USB rechargeable LED cycling safety lights. Their durable co-moulded construction is minimal and has an IPX7 water resistance rating. Versatile mounting straps quickly attach to a variety of bar sizes. 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.   Front Light  The front Femto USB Drive bike light features five output modes offering up to 15-lumens and the custom Wide Angle Optics lens provides well over 180° of visibility. It can run for up to 20 hours and is easily rechargeable with the included Micro USB cable.   Rear Light  The rear Femto USB Drive bike light features five output modes offer up to 5-lumens and the custom Wide Angle Optics lens provides well over 180° of visibility. It can run for up to 15 hours and is easily rechargeable with the included Micro USB cable.  Specification:  Front  Max Lumens: 15 lumens. Weight: 22g. Max Runtime: 22 hours. Recharge Time: 2.5 hours.  Rear  Max Lumens: 5 lumens. Weight: 23g. Max Runtime: 15 hours. Recharge Time: 2.5 hours.  Running Times:  Front  Flash 1/2/3 - 15 Lumens - 60hrs. Pulse - 15 Lumens - 60hrs. Solid – 15 Lumens – 60hrs.  Rear  Flash 1/2/3 - 5 Lumens - 15hrs. Pulse - 5 Lumens - 9hrs. Solid – 5 Lumens – 4hrs 30mins.  Â
