This is SHURA by GAHGA. It's the original GAHGA version, not the WANTKEY Ver. Used a few times for camping. All accessories are included. Operation confirmed. Here's the product description: When attached to your favorite liquor bottle, you can set the desired amount (1ml to 999ml) and the liquor's concentration. Then, when you press a glass against it, the set amount will come out perfectly! It's a love machine! It comes with an adapter and an extendable stainless steel tube, making it compatible with various bottles like large 4L whiskeys, shochu, and wine. Easy operation with a touch panel. The battery is built-in and charges via Type-C. It's a convenient item not only for camping but also for home use.