SPECIFICATION
Size : 21.5”
Resolution : 1080x1920
Ratio : 16:9
CPU : A40i CortexA7
RAM : 1 GB 
Storage : 8GB
OS Android : 7.1
Color : 16.7M
Response time : 5ms
Interface : 1000ml 
Power : DC 12V (DC input) Standby Power Consumption < 0.5W 
Connection
WIFI
      802.11 b/g/n, built-in module optional, need ANT
Ethernet
      10/100M auto-identification and DHCP, USB driver
Data Network
      3G/4G
Work Temp
      -10~60
Storage Temp
      -10~60