Specification: Wattage:350W Plug:US Plug Color:Blue Material:Steel+Aluminum Alloy Wheel Diameter:24mm/9.45in Voltage:AC 110-220V Rotate Speed:0-300r/min Stepless Noise Amplitude:Less than 60dB Electrical Machinery:Advanced Brushless Electrical Machinery Users Manual: 1.Check the stability of machine before use.If the machine is not stable,you need to adjust to the bottom of the lift feet, after the machine is stable, in connection with the power supply. 2.When the device is connected to the power supply, push the leakage protector to the ON button and turn the forward or reverse switch. 3.Don't press the turntable with your hands while the machine is running. 4.You can't switch the forward/ reverse switch in an instant when the machine is running until the machine is completely stationary. 5.Do not pour a large amount of water into the basin. Once a large amount of water is poured into the basin, the electricity will be cut off in time to clean up. 6.Students and children must operate under professional guidance 7.Power off and clean the machine in time after it is used. Note: 1. As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2. Please allow 1-3mm differs due to manual measurement.