Specifications Day and Night Visibility: Powerful LEDs ensure optimal visibility in all lighting conditions, enhancing safety on every ride. Smart Kinetic Technology: Built-in accelerometer detects deceleration and automatically switches to a constant burst mode, alerting motorists and cyclists behind you. USB Rechargeable and Long-lasting: Convenient USB rechargeable battery with long-lasting life, eliminating the need for disposable batteries. Versatile Mounting Options: Flexible mounting bracket allows quick and secure attachment to seatpost, backpack, helmet, or other gear. Durable and Weather-resistant: Designed to withstand outdoor cycling conditions, ensuring reliable performance in various weather. Dimension: 74.2 x 24.4 x 30.8 mm Weight: 22.5 g (with batteries) Light Source: COB LED Battery: Lithium Polymer rechargeable Recharge Time: 2 hrs (USB recharge) Mount Size: Rubber band mount (fits φ 12.0-32.0 mm) Water Resistant: IPX4 Other: Battery auto save, Low battery indicator, Lighting mode memory
