What is this? A Fiber Optic Wand is a handheld device that features a flexible bundle of fiber optics that emit light, designed to be lightweight and portable, making it easy to use and carry around with you wherever you go. What will I get? The fiber optic light wand, in size of: 37.5cm/14.7 inch total length; In the package of 48 packs x fiber optics light wand. Are there any advantages of the product? 3 kinds of color light models(always on, blinking, flashing), can be easily switched on and off at the touch of a button. These lights offer a wide range of colors and patterns, providing a stunning visual display. How to use it? The Fiber Optic Wand is powered by button cell batteries, which means that it can be used without needing to be connected to an electrical outlet. This makes it great for use in outdoor settings or in areas where access to power may be limited. What should I notice? All size is measured manually, please allow +/-0.1 inches error.