Lezyne Femto USB-C Drive Taillight Bright, Light, and Mighty The Lezyne Femto USB-C Drive Taillight is a lightweight, compact rear light that packs a high level of visibility into a small but mighty form. This 29-gram light features a durable co-molded construction, with IPX7 waterproofing, and a 210 m Ah battery capacity. The Wide Angle Optics provide 270 degrees of visibility, with 6 different light modes, ranging between a powerful 15-lumen Blast mode for maximum visibility, and a long-running Daytime Flash mode that gives riders a 5-lumen output for a whopping 13 hours, for visibility on the longest rides. Features Lightweight, compact design blends high-powered visibility with a low-profile construction that leaves plenty of extra space on your seatpost15-lumen max output in Blast Mode for ultimate visibility Wide Angle Optics for 270 degrees of visibility Waterproof USB-C rechargeable for a universal plug standard and quicker charging times IPX7 rated for a high level of protection from the elements Specifications Battery Capacity210 m Ah Light Modes Economy (5 lumens), Blast (15 lumens), Pulse (15 lumens), Flash 1 (15 lumens), Daytime Flash (15 lumens), Femto (5 lumens)Runtime13 hours (Daytime Flash Mode) to 1. 5 hours (Blast Mode)Weight29 grams Waterproof Rating IPX7 | Lezyne | Femto Usb-C Drive Taillight Rear | Red | 15 Lumen