MaximalPower Reflective Fiber Optic Blinking Red LED White Stretch Safety ARM BAND w/Clip for Running Biking Cycling Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty. Fiber Optic LED System provides RED light across the whole band for super high visibility! FOUR settings: On/Off, Slow Blink, Fast Blink, & Solid Red Light! High gloss, highly visible WHITE reflective band. Visible up to 300m! Clip to your belt, backpack, bag, a dog's collar, and much more! Clip around your arm, leg, bike frame, etc One size fits all. A replaceable battery is included!