Features: Adopts PWM speed-control technology, high conversion efficiency, large speed range and stable performances. Designed with digital display, convenient and fast, with high-precision and high reliability. Equipped with extreme speed switch and potentiometer speed adjusting knob, convenient and quick operation. The input-voltage can be DC10 to DC36V. Brushed motor speed regulation, linear potentiometer 270 degrees. Specifications: Material: Metal Input-voltage: DC10-36V Output-voltage: linear with load Input Current: required to be greater than the working current of the motor Output Current: determined by the load Continuous Current: within 70A Power: 4000W (power equal voltages multiply current) Static-current: 0.01ma Speed Regulation Type: current regulation Speed Regulation Mode: linear potentiometer 270 degrees Speed Regulation Range: 0 to hundred percent Current Limiting Protections: 80A Wiring Type: common wiring Note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different monitor resolution. Package includes: 1 Piece Motor Speed Controller