ITEM NAME:DC 12/24/36/48V 60A PWM Motor Speed Controller PWM Reversible Swi IO BX Specification: Brand new Working voltage: DC10V~50V Persistent current: 40A Speed control range: 0%~100% Speed regulation method: Potentiometer (Tape Switch) Speed control type: regulating current Forward reversal: support Feature: Fine workmanship and stable performance. Fast speed, high efficiency. Small in size, easy to carry. Convenient to use. Durable in use. Package included: 1 x Speed Controller.Maximum current: 60A. Fast speed, high efficiency. Small in size, easy to carry. Persistent current: 40A.