Diamond stone sharpener. Easy to use and saves a lot of time cutting easily and piling up firewood quickly. Takes a dull chain and makes it as sharp as new and it holds its edge like a new chain!

They are helpful, but not a+! Very well and safely packaged. Easy to setup. Main readout lights up.

Room temp is around 70 and the incubators are around 100 degrees, which took several hours for these sensors to even show in the 90s. The battery door on the base unit is defective and would not stay shut. One of the most troubling parts is i pulled t...  Read More

Pretty disappointing. Couldn't read the humidity in my crawl space. There is no local return, life was busy & return option was not available for this product anyway.

Buyer beware. Made no difference.