Feature: 1. Can control the motor speed from 0%‑100% stepless change, and can effectively improve the work efficiency. 2. Using sophisticated production technology, and this governor has large torque and low heat generation. 3. Has a wide range of uses, this DC motor governor has been widely and stably used in industrial production. 4. Made of high‑quality materials, the DC motor governor is sturdy, durable, not easily damaged, and has a long service life. 5. Small in size, light in weight, easy to carry, can be carried around, and has simple operation and convenient use. Specification: .Item Type: DC Motor Governor Working Voltage: DC12V- DC35V Wide Range Maximum Instantaneous Output Current: 10A, Rated 5A Output Power: Voltage x Current = Power (The Load Current Should Not Exceed 5A for Long-term Operation, and the Fan Needs to Be Forced to Dissipate Heat if It Exceeds 5A. 10A Current Can Be Used for Short-time Work) PWM Duty Cycle: 0%-100% (Please Pay Attention to Key Parameters) PWM Frequency: 13khz Interface: Power+ Connects to the Positive Input Power Supply, Power- Connects to the Negative Input Power Supply; Motor+ Connects to the Positive Pole of the Motor, Motor- Connects to the Negative Pole of the Motor Size: Approx. 70 x 75 x 27mm / 2.8 x 3.0 x 1.1in Remote Control: with Three Buttons (Respectively for Acceleration, Deceleration and Stop Functions, Both Remote Control and Manual Control Can Be Controlled) Remote Control Distance: Approx. 50meters / 54.7yd (Open Area) Remote Control Battery Information: Button Battery CR2032, 200mAh (the Remote Control is Shipped with Built-In Batteries) Package List: 1 x DC Motor Governor1 x Cover1 x Remote Control Note: 1.The remote control is shipped with built‑in battery2.Note that you must connect the motor to test the voltage, and the output only connects to the multimeter to not test the function3.When wiring, pay attention that the terminal must not touch the heat sink, and burn the board when it touches it4.Please ensure a good ventilated environment when using, otherwise reduce the use power5. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.