Features 1、LED display will clearly show the output voltage, and better understand the current and voltage situation. 2、Power button with the speed setting knob promises more convenient adjustment with higher accuracy. 3、Adopting aluminium plate as the heat sink, the fast heat dissipation will prolong service life, safer to use. 4、High power circuit board enables large starting current and stable speed regulation from 1 to 1800rpm. 5、The rustproof and sturdy casing can provide secure protection for the controller and prevent it from falling. Specification Item Type: Motor Speed Controller Material: Aluminium Alloy Power: 750W Adjustable Speed Range: 1-1800rpm, adjustable. Speed Range: 0-100%. Package List 1 x Motor Speed Controller