Blue with Blue LED - Our BuzStrobes are a safe bet for your next event! Ideal for promoting safety and visibility, these flash with an ultra-bright strobing LED light. Simply push the on / off button to activate. Designed to easily clip onto clothes and bags, making them perfect for kids, night walks, safety programs, and awareness campaigns. Customize with your company name and logo to shed new light on your cause! Comes with replaceable batteries.