LCD display module with YELLOW Backlight , SIZE : 20x4 (4 Rows and 20 Characters Per Row) , Can display 4-lines X 20-characters , Operate with 5V DC , Wide viewing angle and high contrast , Built-in industry standard HD44780 equivalent LCD controller , Commonly Used in: Student Project, Collage,copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices , LCD type: Characters