I have a brand new Teknetics Delta 4000 detector for trade. The only use it has had is when I tossed some coins on my yard to test it. I have the original box it came in and the users manual. I also have a brand new set of Teknetics headphones that I "might" throw in. No matter how many detectors I try I can't get used to the multi-tone, thats the reason for me wanting to trade it. I would consider a Fisher F5 or some of the Tesoro's. Get in touch with me at my email address sprice@premierwireless.us Thanks! Steve.