This is the MUJI Solar Cooking Scale SD-005. It's a solar panel model that runs on sunlight or indoor light, making it an eco-friendly model that can be used for a long time with minimal battery use. It can weigh up to 2kg and supports fine measurements from 1g increments. The manufacturing year "2022" is printed on the back. The original box and instruction manual are not included, but it is ready to use immediately.