5 LED VU Meter kit is based on LB1403 IC from SANYO, which will indicates the volume level of the audio signal it senses.

• Power supply : 6 to 12 VDC @ 90 mA
• Lighting levels remain stable to line regulation because of on-chip voltage reference
• LED's are driven by a constant current
• Onboard presets to adjust input sensitivity
• Terminal pins for connecting power supply, audio input
• Four mounting holes of 3.2 mm each
• PCB dimensions 34 mm x 52 mm