Akozon VU Meter 2 Pcs VU Panel Meter Warm Back Light Recording Audio Level Amp with Driver Board

In the backlight brightness to meet the requirements under the conditions, lower operating voltage, can significantly prolong life. Need to use current limiting resistor in series 100? to 200?, reduce the impact on the filament boot Specifications: Voltage 500MV Header DC resistance: 652? Operating voltage: 6 ~ 12V AC or DC Material: Plastic + metal Driver board: 6.8cm x 5.5cm/2.67 x 2.16inch VU meter: 3.4cm x 3.4cm/1.33 x 1.33inch Weight: 90g Packing Include: 2 x 500?A VU Meter 1 x AC12V driver