A man spent £1,000 buying eight televisions and 11 videos from the back of a van, and then found they did not work.
The victim, who has not been named, was approached by a man with an Irish accent in central Hove.
He asked the victim if he was interested in buying a cheap video or TV set and took him to a white van with the registration number S617 EVK, parked nearby.
After inspecting the equipment, which appeared to be in good condition, he agreed to pay £1,000 for them.
He was given a receipt in the name of Patrick Ward by the van owner.
When he got them home he discovered they were all ex-rental sets which did not work.
Police traced the registration number of the van to a caravan site in Doncaster, but there was no trace of a Patrick Ward there.
Sgt Steve Barry, of Hove police, said: "This is becoming a more frequent problem at we would urge people not to buy equipment of this kind from someone who approaches them in the street."
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