1. Material: medium density fiberboard (3mm) 2. Process: laser cutting + tenon and tenon stitching 3. Applicable scenarios: living room, study room, bedroom, office, etc. 4. Power supply: a AA battery (need to bring your own) 5. Features: MDF fiber structure is uniform, high strength, not easy to deform, no cracking, laser cutting technology, smooth edges, accurate card slots, convenient for splicing 6. Package weight: about 220 grams 7. Packing size: about 27.5x15.5x7.5 cm