Operation confirmed. Includes 3 AAA batteries, but has been used a few times. These are test batteries. Product Description King Blade compatible product, not an official product, body size is almost the same. 15-color switchable LED penlight Size Length: Approximately 25cm Glow section: Approximately 15cm Diameter: Approximately 3cm Also comes with a strap. 15-color change order Red, Green, Blue, Hot Pink, White, Yellow, Light Blue, Light Green, Purple, Orange, Light Pink, Violet, Lime, Turquoise Blue, Hot Orange ◆How to use Press the A button once to change colors in order. Press the B button once to go back to the previous color, making it easy to choose colors. Long press A or B button to turn off the power. You can replace the batteries (AAA x 3) and use it many times. Batteries are included in the main unit. Please consider the "test batteries" to last about 1 hour. *Please use new batteries at events. *Alkaline batteries can be used for a maximum of about 12 hours. *Inexpensive alkaline batteries may cause malfunctions. Reusable and economical! Notes *Due to being an overseas product, there may be minor scratches. Please refrain from purchasing if you are sensitive to such things or if you are looking for a perfect product. *To keep the price down, it will be sent without a box, in a cardboard envelope, and with simple packaging. "No bubble wrap, using cushion sheet" Please understand and purchase.