Specifications Model: M180A-401, NMRV40, 50S Material: Aluminum Alloy, 40 Cr Alloy Steel Color: Silver, Black Style: Modern Motor Type: AC Motor Mount Type: Free Sting Power Source: Corded Electric Voltage: 220V Power: 180W Frequency: 50-60Hz Noise: About 70dB Rated Torque: About 35NM Motor Speed: 50HZ 90-1350r\/min, 60HZ 90-1650r\/min Controller Output Speed: 0-27rpm Moter Size: 9090mm\/3 543 54in Speed Controller Size: 1069cm\/3 92 43 5in Output Aperture Diameter: 18mm\/0 71in Power Cord Length: 80cm\/31 5in Gross Weight: 10kg\/22 05lbs Net Weight: 9kg\/19 84lbs Package Size: 351715cm\/13 786 695 91inch Package Included 1Gear Motor 1Speed Controller 1English Manual Notes 1 Please note that a one-speed controller can only control one motor 2 Please read this manual carefully before use installation take note of the safety precautions contained herein 3 If the motor has a small load is not running for a long period of time, the controller can be adjusted to 50% of full speed When the motor is heavily loaded operates continuously for long periods of time, the controller should not fall below 70% of full speed