EPLZON 20A Adjustable PWM Controller Switch Forward/Reverse Electric Motor Speed Regulator Specification: ✔ Main functions: the motor speed controller supports forward/reverse rotation control and stop, which is more flexible and convenient to use. ✔ Circuit board - a well-designed housing can protect the controller board from damage and heat dissipation. ✔ This product is made of high-quality electronic components with stable and reliable performance. ✔ DC motor speed controller has the characteristics of high precision, wide speed range, low power consumption, long service life, etc. ✔ Terminal block design: the terminal block is fence-type design with safety cover. Each terminal block has wiring marks. Please follow the marks when wiring. Packing list: 1 pcs * DC motor speed controller ❗Note: This product is DC brush motor speed controller, can not access AC power and drive brushless motor.