LED Red Strobe Safety Flashing Emergency Warning Clip On Lights (3-Pack) - Reflective Gear For Running, Walking, Cycling, Mountain Climbing, Hiking, Or Camping. Water Resistant, Extremely Lightweight and Can Be Seen Over 1/2 Mile! 3 BRIGHT RED LEDS - To Be Worn On Your Clothing To Create MULTIPLE POINTS OF LIGHT To Be SEEN VISIBILITY - Can Be Seen Over 1/2 Mile (800 Meters) BATTERIES - 200+ Hours Battery Life, Uses Replaceable 2 x AG13 Button Cell Batteries (Included) CLIP ON APPAREL - Easily Clips On To Your Cap, Headband, Backpack, Hydration Pack, Shirt, Shorts, Any Clothing, Accessory, Or Just About Anywhere 100% SATISFACTION - We Offer a 5-Year Warranty And A 30-Day Money Back Guarantee