Usage Tips:Reliable accuracy: the measurable temperature range: -50 °C ~ + 70 °C (-58 °F ~ + 158 °F), temperature measurement accuracy: ± 1.0 °C, temperature resolution: 0.1 °C. Measurable humidity range: 10%RH ~ 99%RH, humidity measurement accuracy: ±5%RH, humidity resolution: 1%RH Easy to install: it can be placed on a table or bookshelf or attached to the wall with wall stickers or threaded through the hanging hole of the thermometer and hygrometer and then hung on a nail. (Note: the product does not contain thin lines.) Easy to read: the larger font shows the current temperature and humidity. Even if the distance is far, you can read the measured value. Smiling or unhappy expressions can help you relieve stress appropriately Humidity temperature monitoring: this portable thermometer hygrometer measures the humidity and temperature indoors and helps you know the room air conditions. Become the ideal choice for your personal and professional life Widely used applications: mini LCD digital thermometer thermohygrometer is very popular and is often used in living rooms, greenhouses, instrument rooms, wine cellars, cellars, warehouses, grain stores, baby rooms and wardrobes