1、This PWM DC motor speed controller has control voltage overvoltage protection and with high-quality potentiometers. 2、The motor speed control module features with multi-functions to offer a effective performance, it has stable performance. 3、This motor speed controller with reverse power protection, to prevent damage to the module when the power is reversed. 4、The motor speed controller with fuse, to prevent short-circuit high current, causing burnout protection. 5、This PWM DC motor speed controller has high efficiency, low heat generation. Specifications: Power: Max 120W Current: rated current 5A, the largest by current 10A, short circuit no more than 30s Frequency: 13khz PWM pulse width speed range: 0% -100% With high-quality potentiometers For reversing feature, customers can add their own pros and cons of the switch. Size: 60 * 47 * 28mm The fuse is 5 * 20mm standard size Package Includes: 1  x  CCM5 PWM DC Motor speed Controller