SDTC Tech 6V-30V 8A DC Motor Speed Controller 6V 12V 24V PWM Stepless Speed Control Switch Adjustable Driver Regulator with Duty Cycle LED Digital Display & Knob

Name: DC 8A PWM Motor Speed Controller Work Voltage: DC 6V - 30V Rated Current: 6A Max Current: 8A Speed Range: 0% - 100% PWM Frequency: 16kHz Knob Potentiometer: Resistance B100K, Length 20cm, Trepanning 8mm LED Display: 3-digit, "000" - "100", (For example displayed "033", it means the PWM output duty cycle is 33%) Button Switch: Turn On or Off the controller board Module Size: 79 *42 * 24mm Note: 1. Do not reverse positive and negative to power controller, it will damage the module. 2. Before you attempting to wire the controller, make sure power is off. Package Include: 1pcs DC Motor Speed Controller with LED Display