An incredibly thin and lightweight cycling taillight equipped with eight super-bright LED emitters, the Stick Drive&';s minimalist design is optimized for versatility and ease of use. It&';s equipped with an integrated USB stick for cable-free charging, and its battery provides up to an impressive 23 hours of runtime. Emits up to 30 or 15 attention-grabbing lumens.A simple O-ring mount securely attaches to most bicycle seatposts while an innovative magnetic interface allows the light to easily detach from the mount for quick and easy charging accessibility. With its narrow design and compact mount, it&';s the perfect taillight for those looking to maintain aerodynamics or attach to seatposts with minimal space, e.g. dropper posts. Designed and produced in-house, the Stick Drive is engineered and built for long-lasting durability and impressive water resistance. SPECS: Max Lumens: 30 Max Runtime: 23 hours Battery Capacity (mAh): 300 Recharge Type: USB Stick Weight: 23g Dimensions: 72.3mm, 19.2mm, 27.1mm Features: IPX7, Daytime Flash