Feature: 1. [Compact And Portable] Temperature humidity meter is small, easy to carry without taking up too much storage space, top carry design to hanging it on a wall hook. 2. [Real Time Monitoring] After connecting to the APP, upload the data to the APP, and generate a curve in the APP so that you can intuitively understand the temperature and humidity changes, record and analyze, and take care of the health of your family. 3. [Data Storage Function] Built in storage function, record temperature and humidity every 10 minutes, data can be exported to CSV file, and can be shared with friends. 4. [High Accuracy] Adopt MEMS digital temperature and humidity sensor, with stable and accurate measurement, and refreshes rate of 1 second/time. 5. [Widely Application] Widely used in greenhouse planting, agricultural breeding, flower house, cold chain, warehouse, indoor, pharmacy, etc. Specification: Item Type: Temperature Humidity Meter Material: ABS Temperature Range: -20~65°C (-4~150°F) Humidity Range: 0-100% RH Accuracy: Temperature: +-0.5°C/1°F Humidity: +-5.0% Wireless Range: 50M/164ft Free APP Control: Yes Sensor Type : MEMS Battery: 1 x CR2477 button battery 1000MAH (Battery Included) Alarm: No Historical Memory Time: Every 10 minutes Battery Life: About 365 days Weight: Approx. 35g / 1.2oz. Package List: 1 x Temperature Humidity Meter (Battery Included) 1 x Accessory1 x Manual