It's a Silhouette Cameo 4.

Maximum Cutting Area

12 in. x 24 in. (30.5 cm x 61 cm) with a cutting mat

12 in. x 10 ft. (30.5 cm x 3m) without a cutting mat

https://www.silhouette101.com/wp-content/uploads/2020/01/cameo-4-spec-sheet.pdf