This is a common anode green 2-character 0.56” 7-Segment LED display.
Specifications:
Number of Digits: 2
Dimension: 0.748" H x 0.984" W x 0.315" D (19.00mm x 25.00mm x 8.00mm)
Digit: 0.56" (14.22mm)
Common Anode
Color: Green
Voltage Forward (Vf): 2.2V
Current – Test: 10Ma
Millicandela: 3.9mcd
Wavelength: Peak 565nm
Package 18-DIP (0.600", 15.24mm)