DC Motor Governor Wireless Remote Control Digital Display Stepless Speed Switch Controller Item Type: DC Motor Governor Maximum Instantaneous Output Current: 10A, Rated 5A (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)