Eti maxmin fridge freezer thermometers eti 891 210 this fridge thermometer from eti features a large lcd display and incorporates two temperature sensors a remote water resistant probe with one metre pvc lead for the appliance temperature and an internal sensor for the room temperaturethe remote probe can be mounted onto the internal wall of the fridge using the suction pad or mounting bracket suppliedthe thermometer is supplied with a 2 point ukas certificate of calibration each certifi