Chris is a well known scammer. His scams work in one of three ways:
First Way
Sells an item that he claims to work in a certian way and fit a certain application.
Buyer purchases the item, receives it, and it appears to be the correct item though, not tested.
Buyer leaves positive feedback
A few weeks or months later, buyer begins to use the item and realizes the item is not as it was described.
By this point, the deadline for a paypal dispute is passed, or if a dispute is filed, Chris can reference the positive feedback and say it is proof they received the right item.
Second Way
Sells an item that he claims to work in a certian way and fit a certain application.
Buyer purchases the item, receives it, and procedes to test it.
Buyer Discovers item is not as discribed and complains
Seller offers a return for refund
When seller recieves item, he can claim it is either not what was shipped or was damaged by buyer.
Third Way
Sells an item that he claims to work in a certian way and fit a certain application.
Seller ships empty envelope with delivery confirmation to random address in same city as buyer.
Tracking shows item as delivered to the city with no way of figuring out the actual address of delivery.
Buyer files dispute, seller wins due to proof of shipping
Chris has a long history of lies and scams. You can read about some of his history here:
Flea-bay bogus dealer....heruursciences - Photonlexicon
50W 808 diode-bar on ebay, worth the cash? - Photonlexicon
BUYER BEWARE! EBAY SELLER HERUURSCIENCES!!!!!!!!!! - alt.lasers | Google Groups
HGM won't lase - Photonlexicon
Ebay YAG Laser - View topic :: Laser Community
I have personally been ripped off by Chris using his third method.