【Real-time Temperature and Humidity Monitoring】View accurate temperature and humidity data in real-time for optimal environmental control. 【Smart Home Integration】Compatible with Alexa and Google Assistant for seamless integration into your smart home ecosystem. 【Intelligent Automation】Supports smart linkage capabilities, allowing you to create automated routines based on temperature and humidity readings. 【Low Battery Alert】Receive timely notifications through the app when batteries need replacement, ensuring continuous operation. 【Wide Detection Range】Accurately measures temperatures from -10℃ to +60℃ and humidity levels from 0-100% RH for comprehensive environmental monitoring. 【Zigbee 3.0 Technology】Utilizes the latest Zigbee 3.0 protocol for improved reliability, range, and energy efficiency in smart home networks. Specifications: Input voltage: DC3V LR03 AAA batteries * 2 (not included) Quiescent current: ≤10uA Alarm current: ≤15mA Low voltage: ≤2.6V Zigbee operating frequency: 2.400GHz-2.484GHz Detection temperature: -10℃~+60℃ Detection humidity: 0-100%RH Working temperature: -10℃~+50℃ Working humidity: maximum 95%RH