CCM6C Mini PWM DC Motor Speed Controller 6V 12V 24V 30V Mini DC Stepless Motor Speed Regulating Swit

Specification: ? Model: CCM6C Input voltage: 6V/12V /24V DC Control Power: 24V-within 200W; 12V-within 120W; 6V- within 60W Current: Sustained current maximum 20A, suggest use within 10A PWM Duty Cycle:5% -100%, almost 99% motor included.? PWM Frequency:21KHz ( It means with very low voice when low speed )? Size (L*W*H):6 x 5 x 2.7cm/2.36x1.96x1.06 ? Package Included: ? 1 x CCM6C Mini PWM DC Motor Speed Controller