The RC1602B-GHW-ESV is a liquid crystal display (LCD) module from Raystar Optronics Inc. It is a standard-sized 16x2 LCD module which can be used in a variety of applications including microcontroller-based systems. The module features an STN display, high contrast film for visibility, negative voltage for better light transmittance, 1/16th duty cycle, and low current consumption. It also includes an auto-convert feature which allows it to be reconfigured to 8x2, 10x2, 12x2, and 14x2 formats. The module is RoHS compliant and has a viewing angle of 140°.