Sonoff WTS01 is a waterproof temperature sensor, compatible with Sonoff TH16R3 and TH20R3 smart relay switches. Due to its waterproof design it reliably operates in wet conditions, e.g. in water tanks, aquariums, cooling-rooms, pools etc. Sensor made of stainless steel, long-term durability, extra sensitivity to all temp-changes.

This is the new, improved version of Sonoff DS18B20 sensor, which has been made compatible with RL560 5 meter extension cable.

Temperature range from -55? to 125?, remains reliable in extreme high and low temp conditions.

Cost efficient solution to integrate with Sonoff smart relays, and trigger temperature based automated turn ON / OFF. The sensor has an RJ9 connector, fits to Sonoff TH16 R3 / TH20 R3 relays' sockets.

<>With the help of eWeLink app you can create any temp-based settings that trigger automated turn ON / OFF of TH16 and TH20 relays, or other connected relays like a S26 smart socket. A perfect choice to control ventillators, electric heaters, radiators, humidifiers, dehumidifiers, air conditioners, sprinklers, aquariums.

Total length of Sonoff WTS01 temperature sensor (from the connector to the sensor's edge): approx. 150 cm.

This new type is compatible with Sonoff RL560 cable extension.

Sonoff WTS01 waterproof temperature sensor is recommended to the following products: TH16 Origin, TH16 Elite, TH20 Origin, TH220 Elite.