Vigilant LilyPad is a WiFi-enabled Smart Pool Thermometer with a UV Sensor | Uv sensor, Pool thermometers, Lily pads
Schwimmbadtechnik WIFI Control - Schwimmbadbau, Pool, Sauna, Dampfbad| Schwimmbadbau24
WIFI Swimming Pool Thermometer Bundle - with stand-up display, outdoor hygrometer & thermometer, data logger, export function, cloud, app (model from 2022) - Poolthermometer Shop - Smarte Pooltechnik
INKBIRD IBS P01B Professionelle Wireless Digital Schwimmbad SPA Schwimm Pool Thermometer für Schwimmbad, Bad Wasser, Spas|Temperature Instruments| - AliExpress