LED Indicator
LED Indicator that SHANPU produce ring LED Indicator the center hole for Rotary Encoder or Rotary Potentiometer (Pot.) or VR Variable Resistor. And LED Indicator build-in Tactile Switch, Push Button Switch, Piezo Buzzer Alarm. LED Light Emitting Diode with lower power consumption, long operation life and fast response, those why using LED develop LED Indicator.