1,MULTIPLE USAGES: The host (computer, industrial computer, PLC, touch screen, etc.) can send commands through the RS485 bus to control the display content of the display. 2,AUTOMATIC IDENTIFICATION: Support ASCII text and RTU dual protocol automatic recognition, no need for user settings, easy to operate. 3,EASY INSTALLATION: The device panel only needs to open square hole to be embedded, no screws are required, and the installation is convenient. 4,HIGH EFFICIENCY: Switching power supply circuit, wide input voltage range and high conversion efficiency, can work continuously for a long time. 5,CIRCUIT PROTECTION: Industrial grade RS485 chip, with surge, static prevent, over voltage and over current protection, power input reverse connection protection. 6,APPLICABLE FIELDS: Often used in production lines, industrial control equipment, automotive instruments, storage electronic tags and other fields.