Features: Real-time control of temperature and humidity changes, timely mobilization of other linkage equipment, and improvement of indoor comfort can better protect the health of family members. APP control, temperature and humidity data storage. Linkage intelligent equipment, timely adjust temperature and humidity. Ultra-low power consumption, built-in battery. Built-in high-precision digital temperature and humidity sensor can quickly and accurately detect temperature and humidity changes, remind you and your family to adjust temperature and humidity in time, and improve indoor comfort. Specifications: Item: Digital Temperature Humidity Meter Main Color: White Material: ABS Battery: 3*1.5V DC Battery Working Current: 100mA Standby Current: 30uA Temperature Measurement Range: -9~99 Humidity Measurement Range: 0%RH~99%RH APP: tuya Size: 70*70*25mm Package Size: 8.6*8.6*3.7cm Package Weight: 88g Package List: 1* Digital Temperature Humidity Meter