microtivity IS234 7-segment LED Display, 2 Digit Blue Dynamic Common Anode (Pack of 2) 2x 0.56-inch 7-segment LEDs 2 Digits, Dynamic, Blue, Common Anode Forward Voltage: 3.0V 10 pins. Pitch: standard 0.1" (2.54mm). Please refer to product image for the connection diagram. Instructions included in product packaging.