Features 1、Better Control: The rotating knob is equipped with switch function and 0%‑100% speed range to achieve low noise motor running. 2、Reliable Works: Motor can be connected regardless of positive or negative, and the direction can be changed by adjusting wiring. 3、For Efficiency: Ensuring large torsion and small heat generation, the motor regulator has high working efficiency and wide use. 4、Extensive Uses: Allows for wide utilization on various industrial equipments and machines, very safe and stable in operation. 5、Easy to Install: Comes with a light weight and a compact size as well, the easy installation can be quickly completed in minutes. Specification Item Type: DC Motor Speed Controller Material: Aluminium Alloy Applicable Current: 30A Power Range: Maximum. 1500W Speed Range: 0%-100% Product Frequency: 21KHZ Package List 1 x DC Motor Speed Controller