From the product description, check product page for current description, price and availability:
- DUAL LED DIGITAL DISPLAY: DROK digital temperature gauge has 2 temperature sensors which you can test indoor and outdoor temperature at once. There are two LED digital display for you to check them.
- HIGH ACCURACY & WIDE MEASURING RANGE: The normal temperature measuring range of the auto thermometer is -20℃ to +100℃, the resolution is 0.1℃, the accuracy is 1℃,can meet your measuring need.
- WIDE INPUT VOLAGE RANGE: DROK electronic thermometer can tolerate wide input voltage (DC 4-28V), which is suitable for various power supply. Please note that this temperature meter cannot be connected to AC 220V.
- SIMPLEST WIRING: Our temperature monitor is provided with red wire and black wire, red is for positive of the power supply while the black is for the negative side, easy and effortless. Besides, our temp meter has anti-burning circuit when reverse connecting.
- WHAT U GET: The package includes 1* Digital Thermometer and 2* NTC Metal Temperature Sensor
Possible uses include monitoring kegerator temperatures, beer fridge temperatures and fermentation chamber/area temperatures. Since it displays two temps you could monitor both your kegerator AND fermentation chamber.
Note that this thermometer does not use batteries and needs to be wired to an appropriate power supply. The probes are waterproof, but I’m not seeing where they are food safe. It appears this displays in deg C only.
Also Consider: Taylor 9940
Make sure the components you use are compatible and rated for your intended application. Contact manufacturer with questions about suitability or a specific application. Always read and follow manufacturer directions.