Fangrui Product Details Product Selling Points: 1. Using High Quality Pcb + Abs Shell Material, Quality Is , Greatly Improving The Service Life Of The Product 2. On-board Knob/switch, 360-degree Mechanical Feel, Speed Control Start/stop One Switch 3. This Is An Intelligent Speed Controller, Remote Control Speed And Positive And Negative Rotation Can Be Switched At Will, The Shipment Configuration Remote Control [remote Control Built-in Button Batteries] 4.0-999 Three-digit Digital Display Scale Percentage Table, Simulation Tachometer Dual-use 5. The Product Is Soft Start And Soft Stop And Comes With Voltage Over-limit Protection, Current Over-limit Protection, Safer And More Convenient To Use! Product Parameters: Input Voltage: Dc 6-55v Maximum Current: 15a Display Mode: Liquid Crystal Digital Display Forward And Reverse: Bidirectional Speed Control Mode: Key Plus Knob Overload Protection: Yes Support Load: Dc Brush Motor Wireless Remote Control: Yes Installation Mode: Embedded Set The Number Of Functions: 11 Wiring