LR104VA/B series color LCD display is an industrial LCD display produced by Langrui Technology Co., Ltd. It can be directly connected to PC or video equipment and adopts a single direct current 12V power supply. It has high brightness, realistic colors, small size, saves valuable space, low power consumption, and no radiation.
This document describes the LR104VA/B series color LCD display, covering its performance parameters, mechanical dimensions, interface definitions, and connection methods. It also includes after‑sales support information, troubleshooting tips, and optional touch‑panel details.
The LCD can be powered from a 12 V DC source, offers a 10.4‑inch diagonal with 640×480 resolution, and supports VGA and AV inputs. Optional touch functionality is described with serial and USB communication options. This manual is written in Chinese.