Operating voltage: 10V-55VOutput voltage: Linear under loadInput current: Require large than the motor operating currentOutput current: depend on load sizeOutput current: 0-100AContinuous current: 60ACurrent at rest: 0.01A (standby)Maximum power: 3000 W (power = voltage x current)Motor Power control: 0.01-3000 W12 V: 720 W (max), 24 V: 1440 W (max)36 V: 2160 W (max), 48 V: 2880 W (max)50 V: 3000 W (max).Knob hole: 7mmSpeed type: adjustable currentSpeed mode: ON / OFF linear potentiometer 270 degreesSpeed range: 0% -100%Frequency control: 15 KHZSpeed Control: potentiometer (with switch)Knob Specifications: 100 K (with switch)Speed type: flow controlAdvance rotation: SupportDigital positioning screen: 0-100 (full speed percentage)Board size: 120x96mm/4.72x3.78 inchNote:Due to different factory batches, if some parts are slightly different, it will not affect the application.Colour:As ShownMaterial:PlasticPackage Contents:4 x Motor Speed ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.