I wouldnt be so sure about that. I tried to buy the light from the first post and when I tried to pay via paypal nothing is displayed under description - so paypal wont know what you bought. Something like this is displayed in paypal:
Okay, so I bought one. The only justification is that it is just so cheap. And I like the 502B. Certainly they meant to sell this for at least $15 and not $5.
Weird reviews also, some powerful 200 mW laser priced 148 dollars has 6 reviews in four days...look as a copy from other site
Review: my wife is a teacher. this one will bring lots of convenience to her.with it ,she doesnt need to standby the blackboard. she could use this laser pointer to point at any desired targets on projection screens, and presentation graphics. packing in a good condition,it is a gift for her.i hope she will like it!
Interesting, They have a (718) area code for the company contact number and specify hours of operation in NY time. Worse case I will not have to go far to shake someone :P