No dash lights

So I’m going to trade a Camaro for a 09 Grizzly 700 efi but no eps. I’m needing help from u guys. So he says the dash or gauge does not work cause of some low battery, he said they are known for it, I guess I don’t understand that. He said he is using a trail tech which I don’t know what that’s for. He says it has like 2200 miles, how do u know that if it has no gauges? Thanks for the help.