1、Rotary Adjustment: This signal generator module adopts rotary adjustment, which is not easy to be touched by mistake and the equipment is not easy to be operated by mistake. 2、Stable Signal: This signal generator module adopts excellent chip, which makes the signal stable, reliable and low temperature drift. 3、Wide Application: This signal generator module can be used as a signal generator, valve regulation, frequency control, PLC debugging, panel debugging, LED testing, analog transmitter outputs. 4、Excellent ABS Material: This signal generator module is made of excellent ABS material, which is sturdy and wear resistant, high temperature resistant, and has a long service life. 5、Digital Display: This signal generator module features a digital display that is very clear and convenient to read. 1 x Signal Generator Item Type: Signal GeneratorMaterial: ABSFrequency Range: 1HZ-100KHZ Adjustable, Via Potentiometer KnobDuty Cycle Range: 0-100% Adjustable, Via Potentiometer KnobPower Supply: DC 7V-24V UniversalPWM Width And Input Voltage ( There will be 1.7V voltage drop )Output PWM Drive Capacity: Output Transistor S8050BK Current: Within 100 mAWhen there is no decimal point, the unit is HZ, when there is a decimal point, the unit is KHZ. It is automatically converted without human adjustment.