MaximalPower Reflective Safety Band with 4 LED Lights for Roadside, X-Training, Cross Country 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. High gloss reflective band, Visible up to 300m, 200 hours of run time! 4 LED System provides front, back and side visibility. Length 16.9 inches (43cm) - Width 2 inches (5.1 cm) Wide Reflective Strip for additional Safety. Velcro secures and sizes perfectly. One size fits all. A replaceable battery (CR2032) is included!