SAI ROBOTIC LM3915 Stereo Audio Level Indicator ALM 711 x 2 Ready Module Sound Audio Spectrum Analyzer = 2 Pcs ( for Stereo Mode ) DC9V-12V ( 21 L.E.D. – 12 Green, 4 Yellow, 4 Red, 1 Blue )

About this item

• 100% brand new and high-quality.
• It is made of premium material,durable and has long service life.
• Complete working, pre-assembled and ready-to-use project
• Best for Educational Project Purposes for School / Collage
• 100% working model, handmade project.. Can be used for 'class room teaching aid' or 'science fair/exhibition project