This sensor pairs with the Sonoff Wi-Fi Smart Relay With Sensor Input to monitor temperature. Take your temperature monitoring to the next level with the Sonoff Waterproof Temperature Sensor, a high precision waterproof temperature sensor designed for use with the Sonoff Wi-Fi Smart Relay With Sensor Input. Monitor pool or hot tub temperatures. Manage greenhouse or outdoor climate control. Optimize industrial systems requiring precise temperature readings. Automate your home heating system. Whether it's for indoor or outdoor applications, the Sonoff Waterproof Temperature Sensor offers precision, durability, and reliability, making it a must-have for a wide range of smart home setups. Why We Love it The Sonoff Waterproof Temperature Sensor is a high-quality, reliable, and easy-to-use temperature sensor. Its waterproof design makes it versatile and adaptable, while its precision and stability ensure you always get the most accurate readings. Wide Temperature Range: Measures from -40°C to +115°C, perfect for diverse environments like freezers, greenhouses, or hot water systems. High Precision: Delivers accurate readings with an impressive precision of ±0.5°C within the -10°C to +85°C range. Longer Cable for Flexibility: The 1.5m cable easily connects to devices even at a distance. Waterproof Design: Built to withstand tough conditions, ensuring accurate readings even in wet environments. Tech Specs Temperature Range: -40°C to +115°C Accuracy: ±0.5°C (-10°C to 85°C range) Cable Length: 1.5m Long-Term Stability: Exceptional reliability for prolonged use