http://www.satistronics.com/10pcs-056-inch-four-digital-led-display_p1477.html
Can select common cathode or anode too when purchase. But only red.
http://www.satistronics.com/10pcs-056-inch-four-digital-led-display_p1477.html
Can select common cathode or anode too when purchase. But only red.