The Lezyne Mini Drive 400XL/Femto USB Drive Light Set is perfect for commuters and recreational riders looking for a simple and inexpensive way to add visibility. Charging is simple with an integrated cable-free USB stick. It securely straps to a variety of handlebar shapes and sizes.Lezyne Mini Drive 400XLCompact cycling light with a machined aluminium body. A bright, single LED system provides up to 400 lumens and a Daytime Flash mode. Battery runtime has increased by 2.5 hours for up to 20 hours of runtime. It features eight output modes and cutouts for side visibility. Charging is simple with an integrated cable-free USB stick.Femto USB DriveCompact, super lightweight USB rechargeable LED cycling taillight. Its durable co-moulded 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.Lezyne Mini Drive 400XL/Femto USB Drive Light Set Black/Black FeaturesFrontMAX LUMENS: 400WEIGHT: 83gMAX RUNTIME: 20 hoursRECHARGE TIME: 2:30 hoursRearMAX LUMENS: 5WEIGHT: 23gMAX RUNTIME: 15 hoursRECHARGE TIME: 2:30 hours