Features: The Temperature and Humidity Sensors features double mode WiFi/bluetooth-compatible connectivity for seamless home integration, delivering real time environmental monitoring with ±1% accuracy. Crafted with plastic housing and advanced components, this sensors enables customizable alert thresholds for temperature/humidity fluctuations via app controls. Ideal for home enthusiasts, families, and plant caretakers needing precise climate tracking in nurseries, greenhouses, or humidity sensitive spaces. Perfectly monitors living rooms, wine cellars, server rooms, and HVAC systems while automatically triggering connecting devices like dehumidifiers or units through scene automation. This humidity sensors simplifies environmental management with remote monitoring capabilities through for apps, ensuring optimal comfort without manual adjustments. Specifications: Component: plastic+PCB Dimensions: 70x25x20mm/2.75x0.98x0.78in Input voltages: 3V LR03 Alarm current: 99MA Low voltages: <2.2V Detection temperature: -10°C~+60°C Detect humidity: 0-100% Working temperature: -10°C~50°C Communication mode: WIFI Package Includes: 1pc Temperature Humidity Sensors note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.