Product Description Material: ABS Size: 4.2*4.2*1.1cm Temperature measurement range: -50~+70 (-58F~+158F) Temperature measurement accuracy: 1 (1.8F) Temperature resolution: 0.1C (0.2F) Humidity measurement range: 10% RH-99% RH Humidity measurement accuracy: 5%RH Humidity resolution: 1% Color: white, pink, green Quantity: 3 pieces Package content: 3*electronic thermometer and hygrometer, 3*3M sticker 1.Reliable accuracy: The measurable temperature range: -50 C ~ + 70 C (-58 F ~ + 158 F), temperature measurement accuracy: 1.0 C ( 1.8 F), temperature resolution: 0.1 (0.2 F). Measuring Humidity Range: 10%RH ~ 99%RH, humidity measurement accuracy: 5%RH,humidity resolution: 1% RH. 2.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.) 3.Easy to read: The larger font shows the current temperature and humidity. Even if the distance is wide, you can read the measured value. The cute emoji reminder can easily understand the comfort level, and the intuitive expressions of joy and angercan help you understand the temperature and humidity changes at a glance, and better care for the health of your family. 4.Humidity temperature monitoring: Real-time monitoring of temperature and humidity, enjoy a comfortable space.This portable thermometer hygrometer measures indoor humidity and temperature and helps you know the room air conditions. The ideal choice foryour personal and professional life. 5.Widely used applications: Mini LCD-digital thermometer thermohygrometer is very popular and is often used in living rooms, greenhouses, instrument rooms, wine cellars, warehouses, grain storage, baby rooms and others.