Multi-functional Control Switch: The 3-setting rocker switch is designed for easy operation, allowing you to switch between variable speed, , and off modes. You are free to adjust the speed in the range 65%-100% to cater to your precise needs. Efficient Energy Utilization: The variable speed controller is engineered to optimize the fan speed, thus enhancing energy efficiency. You can now avoid running your fan at all the time, thereby ensuring zero energy wastage. Promotes Safe Operation: Our Variable Speed Controller features a grounded plug and is fuse protected, ensuring a secure connection with inline fans and shutter exhaust fans. (Note: Do on DC type motors) for safety. Versatile Application: This variable speed controller is best suited for exhaust fans or inline duct fans installed in locations like greenhouses, sheds, homes, garages, among others. It significantly aids in boosting the airflow in HVAC units. Impressive : Sports a 120V, 60Hz, 15 Amp voltage specification with a maximum temperature capacity of 40/104. The device flaunts a power cord 3-pole plug construction, imparting superior user convenience. Voltage: 120V/60Hz Maximum input power: 1500W Maximum input current: 15Amp color: Black Material: ABS Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Package Contents: 1 x Speed Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.