This display has 4 lines of 20 characters each, giving you much more display capability than 16×2. This display uses a 2-wire communications method called I2C. This a serial protocol that supports multiple devices on the same 2-wire bus (Plus Voltage and Ground, of course).
– Text Color: White
– Backlight Color: Blue
– Controllable backlight can be controlled by jumper, you can also program control Screen display and adjustable contrast
– 5V power supply, the device address 0x27
– Dimensions are: 9.8cm (3 7/8in) x 6cm (2 3/8in).