I forgot to plug in my freezer and I lost products following the décongélation.J'ai installed this thermometer (a little difficult because manual in English) I made an adjustment - 11 ° to + 30 °. The probe set inside the thermometer reads - 24 °. I took out the probe outside to check the operation: the temperature rises regularly at -11 ° a small bell rings every minute. hey it works! Already reported by other users attaching the thermometer by magnets is tight, the thermometer slips when opening the door.
