Mountain Brothers LED Safety Light Pack of 2. With Clip-on Velcro Strap. High Visibility for Runners, Dogs, Walking, Kids DESIGN: Slim, lightweight, compact, and portable safety lights with two eye-catching modes of illumination; steady and strobe. Powered by two batteries (CR2032), lasting up to 70 hours WARRANTY: 1 Year Warranty, 30 day money back guaranteed! You will not want to return once you have used it! INCLUDES: 2x Velcro Straps for mounting lights and 2x Screwdrivers for easy battery replacement. FEATURES: Clips on easy, attach to your belt, pocket, backpack, helmet, leash, bike etc. Safely secured.