What is the different between thses two?

[allenee2009]

1. http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=3803377&CatId=3413

2. http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=4662408&CatId=3413

They both look the same to me but there is a big price gap.

 

[TFT]

1. http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=3803377&CatId=3413

2. http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=4662408&CatId=3413

They both look the same to me but there is a big price gap.

The first one runs on 2.1-2.2 volts and the second one on 1.8 volts. The LV in the description means "Low Voltage"