The Femto USB-C Drive Rear is a compact and lightweight LED bicycle light favored by commuters and recreational riders for its simplicity and affordability. With six solid and flash modes including a prominent 15-lumen Day flash Mode it ensures visibility in diverse conditions. Its Wide-Angle Optics provide 270Adeg visibility while a durable co-molded construction with IPX7 water resistance guarantees functionality in harsh weather. The light mounts securely with a rubber strap to various seat post sizes and a waterproof Composite Matrix cover protects the USB-C charging port from dirt. Compact and lightweight rear bicycle light 15-lumen max output with 13-hour runtime in Day flash Mode 6 solid and flash modes including disruptive Day flash Wide Angle Optics for 270Adeg visibility TECH SPECS Lumens Rear 15 Recharge Type USB Battery Li Ion Weight 29 Color Black table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;font-weight:350;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;}.desc ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;}