Did a quick test inside the house. At max setting temp peaked around 128ᵒf with instant read meat thermometer tucked between heat strip and
Observing test: Evening temperature at 44ᵒf humidity 77%. Unregulated the dew strip maintained 100ᵒf with no dew build up for two hours. The last thirty minuets of which the scope was pointed straight up at zenith to really expose the objective. Still no dew! By this time battery pack was down to 25%. Oh, it does require a 5v2A usb connection.
No idea about how the strip itself will hold up yet. I only visually observe so on coldish nights a two hour run time with direct power will exceed my cold weather tolerance. Two thoughts to leave you with. 1)5v2A power supply, 2)temperature control incident. ~YMMV~
Would I purchase this again? Simplicity has it's virtue but given the controller issue I am honestly not sure. I'm pretty green here on