They're quite large, 3" W x 3 1/8" H x 3/8"". Pat one of them dry with a precision screwdriver. You can also randomly close one of them Switch Celsius/Fahrenheit, FYI this is Flippin' up Diamond! I know it looks really bad but I'm just naming my stupid mistakes.
Thermometer RST 01077, white
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π‘οΈ Zacro LCD Digital Aquarium Thermometer: Accurate Fish Tank & Terrarium Water Temperature Monitoring
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