Programmable Timer: This wireless remote control speed controller allows the user to set the running time and stop time so that the motor automatically switches between running and stop repeatedly. Speed Control at the Touch of a Button: Unlike traditional motor speed controllers that work with potentiometers, this wireless remote control speed controller allows the user to adjust the motor speed with buttons LCD Screen: This wireless remote control speed controller features a backlit LCD screen that displays the working time and percentage of speed (0- ), allowing the user to easily monitor and adjust the speed settings as needed. Remote Control: This wireless remote control speed controller comes with a remote control, which provides more convenience and flexibility. The user can adjust the speed settings remotely without direct access to the controller itself. The wireless remote control speed controller is a device for adjusting the speed of DC motors. It is widely used in lawn mowers, blowers, marshmallow machines, whisks and other equipment.