I was doing a some chicken yesterday in my safe all was well for about an hour. I went out just to check the temp and my door thermometer read 450 degrees, WTH I checked my remote thermometer and it was 325. The chicken came out great but I did a check on my door thermometer and it was way off close to 300 in boiling water and it would not go below 70 in the freezer. I know its been said before but its just an example of don't trust any thermometer completely. On a side note this thermometer is adjustable but I couldn't get it to read right if I corrected for the boiling temp them low end was off and vice versa its only about 6-7 months old Ill give Pitmaker a call and see what happens.