Micron Infrared Ml-N520 Miniature Infrared Sensor $3,606.93 https://www.ebay.com/itm/312462502650?hash=item48c0376afa:g:…
Micron Infrared Mi-N530 Miniature Infrared Sensor $4,895.11 https://www.ebay.com/itm/233123086702?hash=item364738016e:g:…