Arduino LCD1602 Keypad Shield
This LCD shield is 100% compatible to Arduino Uno. Tons of working example on the web about this shield if you google LCD keypad shield
This shield has a 16 x 2 LCD with blue color back light and white color characters. It utilizes the extremely common HD44780 parallel interface chipset.
Size:8cm x 5.9cm (3.15inch x 2.32inch)