[Signal generator parameters] Wide operating voltage: DC 3.3V-30V; Output current: 8A (maximum); Frequency range: 1Hz-150kHz; Duty cycle range: 0.00%-100% (Note: Do not reverse the signal generator's positive and negative poles, as it may cause damage). [Dual Mode] - PP2K PWM DC motor speed regulator has 2 modes: PWM mode: adjust frequency and duty cycle (Note: number of switches cannot be set in this mode); PULSE mode: set startup delay and start time, with adjustable number of switches. [Can directly drive loads] Capable of directly driving loads such as LEDs, motors, and solenoid valves. Pulse count, frequency, duty cycle, and period delay are adjustable. [Use] Can control the on/off operation of equipment and can be used for switch fatigue testing. Power-off testing to verify equipment reliability. Suitable for use as a PWM signal generator; for driving lights, motors, solenoid valves; square wave or rectangular wave signal generation; servo motors, stepper motors, electric actuators. Color: As shown Material: Plastic Package Contents: 2 x Generator Only the items listed above are included; other products are not included. Note: Lighting effects and different displays may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.