Sonoff Waterproof Temperature Sensor - WATERSEN

Sonoff Waterproof Temperature Sensor (WTS01) is a waterproof temperature probe designed to be submerged in water or used in wet environments. It plugs into a Sonoff TH Elite or Sonoff TH Origin, letting you monitor temperature from your phone and set automations based on temperature readings. It is suitable for water heaters, aquariums, pools, and greenhouses. With real-time monitoring and automatic control when paired with TH Elite or TH Origin, this Sonoff temperature sensor is built for use cases where temperature measurement and device control are needed in wet conditions. Key Features • Waterproof design for submersion in water and wet environments • Suitable for water heaters, aquariums, pools, and greenhouses • Measures from -55°C to +125°C • Real-time temperature monitoring on your phone • Automatic control when paired with TH Elite or TH Origin • Plugs in using an RJ9 cable • Pro tip in original description: can be attached to a water heater tank and paired with a TH Elite to set heater off at 55°C and back on at 45°C Specifications • Brand: Sonoff • Model: WTS01 • Color: Black • Cable Length: 150 cm • Interface/Connector type: RJ9 4P4C • Working Temperature: -40℃~+115℃