Usage Tips:This is a kind of quality speed controller, which adopts ABS flame-retardant housing, wear resistance and can provide long service time. Small size, high accuracy, with wide speed regulation scope and low power consumption. Anti-slip rotation knob design for easy adjust the working speed. Widely used in packaging, printing, food, electronics, instruments, clothing industry production lines for speed drive device. You can have a try.Features:Adopts ABS flame-retardant housing, wear resistance and can provide long service time.Small size, high accuracy, with wide speed regulation scope and low power consumption.Anti-slip rotation knob design for easy adjust the working speed.One button to on/off the motor, and please disconnect the powersupply when it is necessary to stop the operation for a long time.It is easy to install and convenient to use.Superior operation performance, easy maintenance.Widely used in packaging, printing, food, electronics, instruments, clothing industry production lines for speed drive device.Specifications:Name: Speed ControllerModel: SS22-AMaterial: ABSMax.AMP.: 3AVoltage: AC220VFrequency: 50/60HzItem size: 80 * 56 * 41mm / 3.15 * 2.20 * 1.61inItem weight: 99g / 3.49ouncePackage size: 92 * 89 * 50mm / 3.62 * 3.50 * 1.97inPackage weight: 113g / 3.99ouncePacking List:1 * Speed Controller