To operate attach the sensor in the fridge or freezer and the thermometer on the outside with the attached magnets or enclosed Velcro strip. Set your preferred reading of °C or °F and then set the minimum and maximum temperatures with the alarm. If the fridge goes below or above these set temperatures the alarm will sound until you manually turn it off to investigate the problem. Also shows room temperature at the touch of a button.
> Room temp range -10 to 50°C
> Fridge/freezer temp range -50 to 70°C
> Display size 26(W) x 13(H)mm
> 1m fridge sensor cord
> Requires 1 x AAA battery (suppied)
> Dimensions: 67(W) x 39(H) x 15(D)mm