It doesn't work. It's a junk item. The frame is wooden, so please use it as a stylish decoration. The fluorescent paint glows in the dark at night. 【Brand Reliability】 CITIZEN is a brand known for its high-quality watches. It features a reliable quartz movement, providing accurate time. 【Design and Materials】 The wooden frame is a warm brown color that matches any interior. The diameter of approximately 30cm provides good visibility. 【Usage Notes】 Batteries are sold separately, so please be aware when purchasing. It has an analog display, making it a simple and easy-to-use design. - Brand: CITIZEN - Model: 4KG648-0 - Material: Wooden frame - Color: Brown - Size: Approximately 30cm in diameter - Notes: Batteries sold separately - Dial Type: Analog - Function: Quartz Thank you for viewing.