Waterproof Temperature Sensor | Submersible for Jacuzzi-Fish Tank-Geyser Temp Monitor | Sonoff DS18B20 Sonoff DS18B20 Waterproof Temperature Sensor. The Sonoff DS18B20 RJ9 waterproof temperature sensor is available for Sonoff TH Elite/TH Origin to detect and measure temperature. Sonoff DS18B20 RJ9 Waterproof Temp sensor can be extended up to 50m with the new RL560 extension cable … Continue reading Waterproof Temperature Sensor | Submersible for Jacuzzi-Fish Tank-Geyser Temp Monitor | Sonoff DS18B20
