This super-lightweight clip-on combines LED strobes with hi-viz reflective materials for added safety when you're out at night. It's incredibly lightweight and clips on anywhere you need it. Runs up to 45+ hours of battery life. Features: - Featherweight reflective clip-on with strobe light - Magnetic flap clips on anywhere - Battery powered, with 45+ hours of burn time - Only available to ship within the U.S Specs: - LED: 2 lumens max output - Battery: One CR2032 battery - Lighting Modes - Burn Times: Steady on - 35+ hours / Fast Strobe - 40+ hours / Slow Strobe - 45+ hours