DIY 10 band audio frequency spectrum analyzer assemble kit
Equipped with 10 indicators supporing strip and fire point shape light indicating
Perfect for electronics soldering practice to improve your soldering techniques
Workig Voltage:DC 9-12V, PCB Size:62 X 27mm/2.44X1.06inch(L*W)
Ship out by USPS with tracking information and 7-17 days delivery time usually