Reference size (diameter): 90-100cm (standard); 70cm (minimum); 130cm (maximum) Made of acrylic material, creates a mirror effect on the wall. Powered by one AA battery (not included). Safe for the environment and health, easy to install, removable without damaging the wall. Do-it-yourself wall clock, black Features: 1. The wall clock has a 3D effect 2. Self-adhesive, high-density waterproof EVA foam material 3. Stickers can be applied to any smooth surface such as walls, doors, windows, closets, plastic, metal, tiles, etc. 4. Can be used for gifts, crafts, business gifts, Christmas gifts, promotional gifts, home decoration. Suitable for smooth walls in living room, bedroom, dining room, kitchen, office, bathroom, cafe, hallway, etc. Features: Color: silver, black, gold Hour hand length: 31cm Minute hand length: 39cm 4. Tray dimensions: 12 x 2cm (diameter x thickness) 5. Reference size (diameter): 90-100cm (standard); 70cm (minimum); 130cm (maximum) Note: The pictures may have some