No, I don't think there is any need for it. I am very satisfied with the thermometer. It offers everything I need and does without power-guzzling bells and whistles.
Hello,
The device is operated with the following batteries, which are not included in the scope of delivery:
Base station (1x1.5V AA)
Transmitter (1x1.5V AA)
With kind regards
Your TFA Support
Hello,
The outdoor transmitter is splash-proof, but not waterproof. For mounting the transmitter, we recommend a place protected from precipitation and direct sunlight.
With best regards
Your TFA Support