Product parameters:
Measurement range: 0-500 μ A ± 10%
Internal resistance: 650 Ω ± 10%
Accuracy: ± 5%
Calibration position: Full scale 500 μ A
Backlight voltage: AC DC 6-12V 50MA
Backlight type: tungsten filament bulb
Package included :VU meter x 1 (Not included driver board )
Driver board link : https://www.ebay.com/itm/163627301879