How to measure outside Pool Temperature? Battery driven and Wireless

Just interested, how did this work out?
Every 10 minutes seems very frequent for a pool … seems to me like every 6 hours should be sufficient? Would expect you could extend the battery life even longer?

Hi,
it turned out pretty good actually. Even though the pool season is over, the sensor is still working on a 10 minute frequency. I did not charge the battery a single time. It’s running since 3 month now.