boards with voltage readings

RouterOS on RouterBOARD 433
Health monitor
This menu shows the current input voltage and fan status.
[admin@MikroTik] > system health print
fan-mode: manual
use-fan: main
active-fan: main
voltage: 18.8
[admin@MikroTik] >

this is only on the 433ah correct what boards
support voltage readings?

You can go to http://www.routerboard.com/ and check which boards have voltage monitor and which don’t.