--Digital Fridge/Freezer Thermometer with Probe gray With its single-switch control

With its single-switch control

Probe Dimensions: 2 L x 0

x 3″ deep

and place into the filter

or tearing

--Digital Fridge/Freezer Thermometer with Probe gray With its single-switch controlRange 58 to 158F C F Switchable Display Backlight Settable High Low Alarm Min Max Memory Internal and External Temperatures The RT801 is a great low cost fridge freezer thermometer. Perfect for monitoring refrigerators, freezers, coolers, chillers and all other types of cold storage systems. It's also great for aquariums, terrariums, incubators, and hundreds of other uses wherever you want to make sure an acceptable temperature range is maintained.