Key Features:
● Android 8.1 system, RAM 2G, Rom 8g
● 8-inch display, 800 * 1200 resolution
● capacitive touch screen
● power supply mode: 90v-240v
● one set of audio input; Output a group
● 485: output a group
● timing output: one group
● Bluetooth: support
● installation method: British standard 86 bottom box