Eachine1 2pcs Adjustable Regulator Pulse Width Pwm Dc Motor Speed Controller Switch

2Pcs Adjustable Regulator Pulse Width PWM DC Motor Speed Controller Switch Feature: High efficiency, high torque, low heat generating With reverse polarity protection, high current protection Convenience and easily use Specification: Material: PCB and electronic components Input voltage: DC6V - 28V Sustained current: 3A PWM euty cycle: 5% - 100% PWM frequency: 21KHz Module dimension: 50 x 29 x 16 mm / 1.97 x 1.14 x 0.63 inch (LHW) (approx) Cable length: Approx 200 mm / 7.88 inch Package included: 2 x PWM motor speed controller switch