1[Precise Speed Control] Adjust your DC motor speed from 0% to 100% with this PWM speed controller, achieving smoothly and accurate operation. 2[Wireless Remote Control] Easily adjust the speed of your DC motor with the included remote control. Stable signal, can pass through wall, floor, and door, long control range, up to 164ft (50m) without obstacles. 3[Wide Voltage Range] Compatible with DC power sources ranging from 6V to 30V, ensuring versatile use. With 8A maximum current, this speed controller can handle demanding applications. 4[Easy to Use] We have paired the remote control with the controller, you only need to connect the speed controller to DC motor and power supply and start controlling the speed. 5[Wide Usage] Including anti theft alarms, rolling shutter doors, cars, guardrails, household appliances, lighting fixtures, suspended ceilings, industrial control, security system, and various types of electrical equipment. 1 x DC Motor Speed Regulator 1 x Remote Control 1 x Remote Control Battery