Key Specifications/Special Features: Features: 0.56-inch (14.20mm) digit height Continuous uniform segments Low power requirement Excellent characters appearance Solid state reliability Categorized for luminous intensity Direct drive common anode Description: The BT-A552RI is a 14.20 mm (0.56") high three digit seven segments display This product use green chips, which are made from GaAlAs on GaAs substrate This product have a gray face and white segments This product doesn't contain restriction substance, comply RoHS standard