The Okdo high-quality I2C LCD2004 display. It's in blue with white contents displayed. It can display 4 rows with 20 characters for each like numbers, letters, symbols and ASCII code. Its screen integrates I2C interfaces, serial inputs and parallel outputs. Its chip is PCF8574T (PCF8574AT) and its I2C address is 0x27 (0x3F). Compatible with RJ11 6P6C OKdo TelePort Control boards and expansion shields
High-quality 2004 LCD screen with I2C Adapter, Displays 4-lines X 20-characters