Check the listing for details. Programmable Motor Speed Controller Variable Speed Governor Switch AC 110V 120W. Color: Black, Condition: New. Listed at 26.99 USD. Description: Adopt MCU digital control technology, multifunctional design, accurate speed control with stable performance. Adopt digital display menu option for quickly and conveniently modify the setting. The display rate can be set according to the user's display needs, and the display can be converted automatically. It can realize slow acceleration and slow deceleration. Can be operated by panel and controlled by external switch. The panel knob automatically matching the highest speed, easy to adjust and control, safe. Blocking-protection function to prevents motor and governor from burning out due to blocking. Added the cyclic operation function. Specification: Main Color: Black Voltage: AC 110V Motor Output: 120W Speed Regulation Range: 90-1400 r/min Size Chart: 9x10x6cm/3.54x3.94x2.36 inch Package Includes: 1 Piece of Speed Controller with Digital Display Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!