16 x 2 Character LCD Display Module 16x2 Characters LCD Module with Blue Backlight and White Characters. Module has a built-in controller- allowing for easy interface to a Microncontroller. 1/16 Duty, 1/5 Bias, +5 Volt Supply. Module dimensions: 80 mm x 36 mm x 13.5 mm (3.1" x 1.4" x 0.53")