LED Safety Light(2 Packs) Flashing Strobe Lights for Walking, Running, Jogging, Runners, Cycling - Clip on Visibility Blink LED Light for Your Bicycle, Dogs, Cats, Pets, Bike, Backpack SUPER MINI - 56mm * 28mm * 18mm LIGHT WEIGHT - 20g/0.7oz RAIN PROOF - Rain or shine, summer or winter - any weather condition, any time 3 Bright RED LED - Easy to turn on and off with two eye-catching lightning modes - steady and strobe (flashing). 2 INSTALLED CR2032 Battery - Last up to 96Hours (strobe mode) or 72Hours (steady mode)