Features： 1、LED brightness adjustment, frequency and duty cycle adjustable. Motor speed regulation, frequency and duty cycle adjustable 2、Drive solenoid valve suction and discharge, automatic cycle, delayed output, cycle times (or infinite cycle) can be set 3、Control the equipment on and off, conduct switch fatigue test, voltage drop test and other tests to verify the reliability of the equipment 4、Good quality, durable, can be used for a long time, bring a lot of convenience 5、Used for PWM signal generator, driving lamp, motor, solenoid valve, rectangular wave signal generator, servo motor, stepping motor, electric jaw Specification： Item Type: Signal Generator Material: ABS Frequency Range: 1Hz~150KHz (20KHZ is Generally Selected for Motor Speed Regulation) Duty Cycle Range: 0 to 100%, 1% Step Number of Pulses: 1 to 9999 Delay Output Time: 0.000s to 9999s, with a Minimum Setting of 1ms Positive and Negative Pulse Width Length: 0.000s to 9999s, the Minimum Setting is 1ms Output Load Capacity: Less Than 8A (MOS Switch Tube) Package List： 1 x Signal Generator