Sharmanrn, if i could only afford one upgrade for my RV, it would be the Progressive Industries Surge Protector with low voltage protection.
I have the hardwired 50 amp with remote display.
The 30 amp equivalent is shown here EMS-HW30C
you don't need the remote display, but I am lazy.
One point to consider on the location of the remote display, it is bright, so if you install it in the bedroom go for a hidden area. Mine is in my closet.
US Navy Vet, Liberty Tree Member of Oath Keepers, NRA & VFW Life Member, Alaska EMT.
2009 Safari Cheetah 40 SKQ
2009 Winnebago Chalet 231CR