microtivity IS122 7-segment LED Display, 1 Digit Green Common Anode (Pack of 4) 4x 0.56-inch 7-segment LEDs 1 Digit, Light Green, Common Anode Forward Voltage: 2.2V 10 pins. Pitch: standard 0.1" (2.54mm). Please refer to product image for the connection diagram. Instructions included in product packaging.