Accurate and reliable: temperature measurement range: -20 ~ +60 (-4 ~ +140), temperature measurement accuracy: 1.0 ( 1.8), temperature resolution: 0.1 (0.2) Measuring humidity range: 10% RH ~ 99% RH, accuracy of humidity measurement: 5% RH, humidity resolution: 1% RH. This portable thermometer hygrometer measures indoor humidity and temperature and helps you know the room air conditions. Easy to install: it can be laid flat on any table shelf or attached anywhere you need with strong double-sided tape. The product itself is magnetic and can also be adsorbed on an iron , such as a fridge. Easy to read: LCD display and larger fonts show the current temperature and humidity. Widely used applications: mini LCD digital thermohygrometer is very popular and widely used in living rooms, greenhouses, instrument rooms, wine cellars, warehouses, cereal warehouses, baby rooms and wardrobes. color:White Material:ABS Package Contents: 4 x thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.