12-inch/30cm luminous silent wall clock, battery operated (requires 1 AA battery, not included). Glowing function wall clock with long-lasting illumination. The numbers and clock hands are coated with phosphor, which requires exposure to light during the day to charge. Brightness gradually decreases over time and will not remain at maximum brightness continuously. Designed without glass or frame, featuring a black MDF clock face with illuminated green Arabic numerals, hour and minute hands. Quiet movement ensures accurate timekeeping without disruptive ticking, making it ideal for home, living room, bedroom, or office use. High-quality craftsmanship, durable construction, and stylish appearance with three-dimensional numbers and clear scale markings for enhanced visual and artistic effect. Dimensions: 34.19 x 33.60 x 5.69 cm. Material: fiberboard. Color: black. Package includes: 1 x wall clock. Other items not included. Note: Lighting and display differences may cause slight color variations between the image and actual product. Measurement tolerance: +/- 1-3 cm.