Digital TR-35 Panel VU Meter Amplifier -20~+5DB Sound Level Meter LED Audio Lamp
The direction of the pointer swing :left to right. Lamp : White LED x 1pc ,10~20mA (Original design has no resistor inside, so need for extra one to work). Mounting hole / pitch: φ35mm / 28.0x28.0mm. This item have 3 months warranty.