Specification Material: Wood Shell Piano Paint Exterior Leather Capacity: 4 Automatic Watches Storage Spaces Size: 25 x 23 x 30.5cm/9.8 x 9 x 12 inch Power Supply: AC (including power adapter) Motor: Japanese super quiet motor Voltage: 100V-240V Packing List: 1 x Watch Winder Box 1 x Power Adapter 1 x Manual 5 Rotation Modes: TDP650: 650 laps per day, go for 1 minute, stop for 10 minutes, and cycle. TDP750: 750 laps per day, go for 1 minute, stop for 8 minutes, cycle. TDP850: 850 laps per day, go for 1 minute, stop for 7 minutes, and cycle. TDP1000: 1000 laps per day, go for 1 minute, stop for 6 minutes, and cycle. TDP1950: 1950 laps every day, go for 1 minute, stop for 3 minutes, and loop. Work 12 hours a day and stop for 12 hours.