The listing, Infrared Thermometer has ended.
"Mastercool"
Class ll Laser Product
Open up and replace power with a 9 volt battery
While open switch to C or F heat readings
**CAUTION** Laser Radiation!
Do not stare into beam!
It works now and will work for the winner of my listing.
Laser can read the heat from quite a distance!
Right now pointing the laser at my inside house wall it reads 76.5 f and now as i point at the house wall that has the sun shinning on it, it reads 87.5 and the metal window frames read 92 f.
Do not point it at the sun. : )