12-inch 30cm luminous silent wall clock, battery operated (requires 1 AA carbon battery, not included). Glowing function wall clock with long-lasting illumination. The numbers and clock hands are coated with phosphor, requiring exposure to sufficient light during the day to charge. Brightness of the glow gradually decreases over time and will not remain at maximum brightness continuously. Features a frameless design with no glass. Made with black MDF clock face and illuminated green Arabic numerals, hour and minute hands. Quiet movement ensures accurate timekeeping without ticking noise, making it ideal for home, living room, bedroom, or office use. High-quality craftsmanship, durable construction, elegant appearance, three-dimensional numbers, and clear scale markings provide a strong visual and artistic effect. Dimensions: 34.19 x 33.60 x 5.69 cm. Material: fiberboard. Color: black. Package includes: 1 x Wall clock. No other items included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.