Extech TH30
If you like to do things yourself around the home, then maybe a thermometer could be useful. No need to look for a power outlet, since it runs on batteries. Just get at it!
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From AmazonExtech TH30 USB Dual Temperature Datalogger, Green
Free shipping£89.93
Conrad Electronic
Extech TH30 TH30 Temperature data logger Unit of measurement Temperature -30 up to +70 °C PDF generator£83.46
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