selling my apex classic, was keeping it incase my wifi apex took a crap, ive aquired another wifi apex for a backup so i dont need this one anymore, it has a bent pin in one of the 0-10v ports but unless you are going to control something with the ports its no big deal, but the other port works, has a little corrosion on the bnc connections but the probes still connect and read fine, $80 shipped, the r2r system hasnt been telling me if i have messages ao if interested text me at 251-472-5002