Accurate temperature and humidity: measures temperature from 10 C to 70 C (50 F to 158 F) and humidity from 10% to 99%, with precision of / 1 C and / 5% RH. Large backlit LCD display: 3.9 x 3.9 inch screen shows realtime temperature, humidity, date, and time, with a comfort indicator for quick reference. Reliable sensors: precision sensors provide instant updates on temperature and humidity and display comfort based on the current environment. Longlasting rechargeability: rechargeable battery (150 mAh) and USB charging capability ensure continuous operation without interruptions. Compact and practical: compact design suitable for desk or shelf placement; USB charging allows use with standard adapters, power banks, or computers. Key specifications: Temperature range: 10 C to 70 C (50 F to 158 F) Humidity range: 10% to 99% Accuracy: ±1 C temperature, ±5% RH humidity Display: 3.9 x 3.9 inch backlit LCD Data shown: temperature, humidity, date, time Comfort indicator: quick reference to ambient comfort Battery: 150 mAh rechargeable Charging: USB charging Use scenarios: Home or office environment: monitor ambient conditions to maintain a comfortable living or working space. Nursery or bedroom: ensure a stable, comfortable sleep environment for children or adults. Greenhouse or indoor garden: track microclimate to support plant health and growth.