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5pcs Green LED 22mm DC Voltage Measuring Instrument Mini Voltagemeter DC6~100V AD101-22VM Indicator Voltmeter

32 Level Indicator VU Meter Stereo Amplifier Board Music Audio Spectrum Indicator Adjustable Light Speed Red Green Colors Mixed

VHM-902 Mini Dual 30 Level Indicator VU Meter Stereo Amplifier Board Adjustable Light Speed Board With AGC Mode DIY Kit

32 Bit Pro Audio Level Indicator With Microphone Signal Acquisition Automatic Gain VU Meter Red Green Colors Mixed DC5V 250MA

Mini Dual 12 Level Indicator VU Meter Stereo Amplifier Board Adjustable Light Speed Board With AGC Mode DIY Kit