LED Safety Lights 2 Pack + Dog Light + Bonus 4 Batteries and Velcro Straps - Clip On Strobe Running Lights for Walking, Cycling, Kids, Bikes, Helmets, Reflective Gear. EASY to USE and VERSATILE: Just take them out of the box and use them right away. Push the button to select between steady mode or fast/slow flash mode. Clip them on your clothing, belt, reflective vest, backpack, helmet, bicycle, dog collar, Pet leash etc. Use the free Velcro straps provided to adjust them to almost anywhere. Super lightweight so you will never know you are wearing them. BONUS GIFT 1: Includes a small LED light with metal clamp that you can use as a PET LED for your dog or a Keychain Light or for whatever use you choose. The light can be seen from any angle. Water resistant. On/off Steady mode. Pre-installed 2xCR2016 batteries. BONUS GIFT 2 : Includes 2x extra CR2032 replacement batteries (2 sets), 2 short adjustable Velcro starps (for mounting the lights to bikes, helmets, strollers and more), 2 Long Velcro straps (for mounting the lights to your arm, leg or larger objects), one mini screwdriver to use while replacing the batteries. FEATURES: Each light has 5 Bright LEDs that are powered by two coin batteries (already installed). Each unit can last up to 80-90 hours of use (depending on the mode you use). Crocodile clip-on for easy and secure mounting. Water Resistant for all weather conditions. 100% MONEY BACK GUARANTEE: 30 Day Money Back Guarantee and 1 Year Warranty. Absolutely no risk, either you like it or get your money back!