Features: Experience precise temperature monitoring with the waterproof sensors, featuring a fully sealed ABS housing and industrial grade chip for accurate measurements in humid environments like greenhouses or outdoor smart home systems. Built with impacts resistant ABS and corrosions proof design, this waterproof sensors ensures long lasting performances in demanding conditions while seamlessly integrating with most smart home protocols. Ideal for enthusiasts, smart home beginners, and families seeking effortless automation upgrades without professional installation tools or technical expertise. Monitor aquatic ecosystems, optimize garden irrigation systems, or safeguards indoor HVAC efficiency with this versatile waterproof temperature sensors suitable for Home ecosystems. Its enclosed waterproof structure eliminates electrical hazards while providing stability, making it safe for households with children/pets and commercial applications requiring OSHA compliant environmental controls. Specifications: Component: ABS Power Supply Voltages: 3.0V~5.5V Temperature sensors resolution: 9 to 12 adjustable resolution Temperature display ranges is -10°C to +85°C (Error ±0.5°C) Operating temperature ranges: -55 to 125°C (-67°F to +257°F) Package Includes: 2Pcs Temperature Sensors note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.