HP 5RD97AA, 2 lines, 20 digits, Black, Business, 5.91" (150 mm), 1.77" (45 mm) HP 5RD97AA. Display number of lines: 2 lines, Display digits: 20 digits. Product color: Black, HP segment: Business. Width: 5.91" (150 mm), Depth: 1.77" (45 mm), Height: 0.709" (18 mm)