This signal generator is a device that provides electrical signals at a variety of frequencies, square wave, pulse and output levels. It supports dual mode: PWM mode and PULSE mode. It is used as a signal source or excitation source for testing. Widely used in production practice and technology. Dual mode: PWM mode and PULSE mode LCD high definition display Support frequency adjustment Support duty cycle adjustment High precision detection Support power-down memory function 1-Channel signal output Support reverse protection Support enabled/disabled output Parameter: Model: ZK-PP1K Work voltage: DC 3.3V -30V Frequency range: 1Hz-150KHz Frequency accuracy: 2% Duty cycle range: 0.00%-100% Output Current: less than 30mA Number of pulses: 1-9999 or Infinite Delay time: 0.000s-9999s Pulse width: 0.000s-9999s Time accuracy: 1ms Output amplitude: Same to input voltage Work Temperature: -20 -85 Work Humidity: 0% -95%RH Size: 79mm x 43mm x 30mm Colour:As Shown Material:plastic Package Contents: 1 * Signal Generator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.