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It includes AC/DC voltGeneric Daseeme 32 Level Indicator VU Meter o Level Meter Stereo Amplifier Adjustable Light Speed d Module with AGC Mode 32 segment lights, single track, fine made, features enough dynamic range, single button operation, brightness adjustmenTOUISEDGI TOUISEDGI LZS-15D Flows Meter, Stable Light Industry 60‑600L/H Plastic Tube Liquid Water Rotameter LZS‑15D Flows Meter 1 WIDE FLOWS RANGE: It's designed for testing instantaneous flows of liquids with a measurement range of 60-600 liters per