Real-time climate monitoring with reliable power and clear insight - Temperature and humidity sensor The sensor accurately detects temperature and humidity and provides real-time data for monitoring indoor environments. This helps you maintain comfortable living conditions and protect sensitive items from moisture and heat. - USB powered with built-in battery Powered by USB and equipped with a built-in 500 mA battery, it can operate continuously even during power outages, reducing downtime and the need for constant supervision. - 3.9 inch LCD display 3.9 inch LCD display features a clear and visible 2.9 inch LCD panel that shows temperature, humidity, brightness, time and date, allowing at-a-glance monitoring. - App monitoring and alarm The sensor can be connected to an app for remote monitoring and control. You can set upper and lower limit alarms for temperature and humidity to receive timely notifications. Use scenarios - Home and living spaces: monitor indoor temperature and humidity to improve comfort, prevent mold, and safeguard furniture and electronics. - Office or small business: keep critical areas such as server rooms or storage areas within safe climate ranges and receive alerts if conditions drift. - Greenhouse or wine cellar: maintain precise climate conditions to support plant health or preserve wine, with alerts to communicate deviations quickly. Key attributes at a glance - Function: accurate temperature and humidity sensing with real-time data - Power: USB powered with built-in 500 mA battery for continuous operation during outages - Display: 3.9 inch LCD display showing temperature, humidity, brightness, time and date - Connectivity: app integration for monitoring and alarm management - Practical applications: versatile for home, office, greenhouse, or storage environments