JLM Small Round 34mm VU meter with white LED backlight. Cut out for Bezel ( 34mm hole rear mount or 35mm hole front mount) Led series resistor = (Power rail volts-3v) / 0.01 (eg (12v-3v)/0.01 = 900ohms (use 910ohms or 1k) Quick resistor guide 6v = 330R, 9v = 680R, 12v = 1k, 15v = 1.2k, 18v = …