[Signal Generator Parameters] Wide operating voltage: DC 3.3V-30V; Output current: up to 8A; Frequency range: 1Hz-150kHz; Duty cycle range: 0.00%-100%. Note: Do not reverse the positive and negative terminals of the signal generator, as this may cause damage.[Dual Mode] PP2K PWM DC Motor Speed Regulator features two modes: PWM mode allows adjustment of frequency and duty cycle (switch count cannot be set in this mode); PULSE mode enables setting of start delay and run time, with adjustable number of cycles.[Direct Load Driving Capability] Capable of directly driving loads such as LEDs, motors, and solenoid valves. Adjustable pulse count, frequency, duty cycle, and delay period.[Applications] Can control the on/off operation of equipment and is suitable for switch fatigue testing and power-off reliability testing. Suitable for use as a PWM signal generator; for driving lights, motors, and solenoid valves; as a square wave or rectangular wave signal generator; and for servo motors, stepper motors, and electric actuators.Color: As shown Material: Plastic Package Contents: 2 x Generator Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual item. Measurement error allowance: +/- 1-3 cm.