Sizing:
One size fits most, Width: 1" (2.5cm), Length: up to 46".The adjustable length sizing near the lower back area allows the product fit most people.
Battery:
- Powered by Built-in Two Replaceable CR2032 Batteries in the Controller, last 25-35 hours of continuous use with new battery;
- The batteries can be replaced by sliding the battery pack out from the fabric and removing the battery pack's screws using a small screw driver;
- 4 Settings: Full On, Slow Blink, Fast Blink, Off ; 3 FLASH MODE:Fast Flash, Slow Blink and Steady Light, you can change them through the button.