✿ With outer casing,LCD high definition display,high detection,1-Channel PWM output ✿ generator is a device that provides electrical signals at a variety of frequencies, square and output levels.It is used as a source or excitation source for testing.Widely used in production practice and technology ✿ Frequency range:1Hz~150KHz ✿ power-down memory function frequency duty cycle UART ✿ It's 1-channel PWM output signals are the same.They can not adjust independently, Manufacturer: UncleS