This is the one I bought, though there are lots on amazon:
Inkbird Wireless Thermometer and Hygrometer Smart Sensor Data Logger with Waterproof External Probe Magnet Alert for Android and iOS Used for Food Storage Brewing Reptiles Instrument Cigar IBS-TH1 https://www.amazon.com/dp/B0774BGBHS/ref=cm_sw_r_cp_api_i_0p7iEbQ14G765
homebridge-inkbird paired with some Inkbird temperature & humidity sensors should fit the bill.
i use this:Engbird Wireless Bluetooth Thermometer
same company, different product. since it logs the temp into an excel file chart, it may be a better choice
Inkbird recently released a new type of product which is a temperature and humidity data logger. The unit has both internal and external probes. The external probe can monitor the temperature of liquid(beer). And the unit can save 20 days temperature variation if you set the sampling interval as i minute. Then you can download it. The unit is suit for brewers who pay more attention to temperature changes. And this unit is also can be used in Food Storage/ Pet/Baby/ Instrument/ Cigar.
Nice! In that case, I'd recommend a smart thermometer so you're alerted if the freezer ever dies or is left open.
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