Just thought I would make everyone aware (although I dont know if its valid in Canada.
Its normaly $50 (US) on sale for $29.99 (US) I just picked mine up yesterday. It reads withing 1/2 second, and they claim its good up to 400 degrees F. Although last night I found out that isnt true.
As soon as I got home I checked the temps of all my geckos and snakes tanks.
And then I used it to check the over, so I knew when to put my Tombstone Pizza in. It reads up to at least 417 degrees
thats the link to the radio shack listing.