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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.