● This is a slim and sharp wooden-framed radio-controlled wall clock. ● The design is suitable for use in offices and conference rooms. 【Specifications】 ● Diameter (mm): 320 ● Thickness (mm): 54 ● Color: Brown ● Windshield: Glass ● Battery life: Approximately 1 year (monitor battery used at the time of delivery) 【Specifications 2】 ● Wooden frame ● Front glass ● Continuous second hand ● Nighttime silent second hand (second hand automatically stops when the room is dark) ● Battery replacement notification function ● Power supply: 1 AA alkaline battery (included) 【Material/Finish】 ● Wooden frame (Shina wood/solid wood) 【Set Contents/Accessories】 ● 1 AA battery