Sonoff WTS01 Waterproof Temperature Sensor, RJ9 4P4C

The Sonoff WTS01 is a high-precision waterproof temperature sensor designed for use with Sonoff TH Elite and TH Origin relays (sold separately). It measures temperature from -40°C to 115°C with an accuracy of ±0.5°C in the -10°C to 85°C range. The sensor features an RJ9 (4P4C) connector and a 1.5-meter cable for flexible placement. Its waterproof, corrosion-resistant construction allows reliable operation in humid environments. Easily integrate with the eWelink app for remote monitoring and automation.

• Wide temperature range: -40°C to 115°C for versatile applications
• High accuracy: ±0.5°C from -10°C to 85°C
• Waterproof design: Resistant to water, corrosion, and rust
• Long cable: 1.5m for flexible installation
• Simple connectivity: RJ9 (4P4C) plug-and-play with Sonoff TH relays
• Smart home ready: Works with eWelink app for monitoring and automation

Ideal for monitoring temperature in greenhouses, server rooms, basements, or any environment where accurate and durable sensing is required.