Vibe is a revolutionary concept incorporating smart technology to provide effortless safety in an ultra-compact, convenient design. Auto-on sensors, waterproof bio-renewable construction, and innovative safety features create the most technically advanced light available for commuters. Vibe Pro (taillight) brings ultra-powerful 100 lumen SafePulse rear illumination with a sleek and innovative mounting solution. Features: - 100 Lumen Output with variable SafePulse beam pattern optimized for maximum visibility day and night - 3 hour run time - Smart sensor technology senses motion and automatically turns Vibe on when inserted into mount - Auto-off when bike is parked or light is removed from mount - Made with bio-renewable material waterproof to 1 meter (when inserted in mount) for all-conditions reliability (IP67 Rated) - Innovative amber side lighting increases critical visibility at intersections - USB Mount Receptor allows light to be securely mounted or removed from bike in seconds with a simple, secure 1/4 turn lock - Direct USB Charging Without Cables (Fully charges in 2 hours) - Includes Vibe Seat Post Mount - Weight: 30g - Dimensions: 2.6" x 1.3" x 0.8"