[Wide Voltage & Strong Output]Designed for DC brushed motors only, this PWM speed controller supports a wide DC 10-55V input range, with continuous 40A and 60A current output. Delivers smooth stepless speed adjustment from 0% to 100%, ideal for 12V, 24V, 36V and 48V systems in various DIY, industrial and automotive applications. [Precise Digital Control & Display]Equipped with an adjustable potentiometer for fine-tuning motor speed, this controller features a clear LED digital display that shows real-time speed percentage. [Forward / Brake / Reverse Function]:Take full control with the built-in latching switch. Easily select Clockwise (Forward), Brake, or Counter-Clockwise (Reverse) rotation to suit your operational needs [High-Efficiency & Reliable Design]:This product is specifically designed for durability and stability. It is equipped with high-quality components, professional circuit design, and an aluminum alloy heat sink shell, ensuring excellent heat dissipation performance. Even under high load conditions, it can achieve stable operation for a long time. [Easy Installation & Safety Protection]:Notes: 1) The input power supply capacity must be at least 1.5 times the motor's rated power. 2) Always match the input voltage to the motor's rated voltage. 3) For vehicles with existing direction switches, install this speed controller between the battery and the direction switch to prevent damage., Weight: 0.63382900325 pounds, Manufacturer: NONDK