Description Adopting sturdy plastic material, this plastic thermometer as well as hygrometer can serve you for a long term. The large digital display allows you to see at a glance, you can easily know the indoor temperature and humid level, have accurate result. Light weight, small size, easy to use, suitable for using at home, in the car, etc. Features -Color:Black -Material:Plastic -Size:4.80X2.80X1.60cm/1.89X1.10X0.63in -Temperature Range: -50c ~ 70c -Measuring Humidity Range: 10% RH ~ 99% RH -Battery: 2 x 1.5V LR44button battery -Power dissipation: 5 milliwatts in working condition -Humidity Display Resolution: 1% RH -Temperature test accuracy: 1.0 -Humidity test accuracy: 5%(Room temperature 25) - Accurate measurement: High-precision sensor of thethermometer and hygrometerhas accurate temperature and humidity measurement. - Easy to read: Large screen with clear and easy-to-read display, thesmall thermometer offers you great convenience. - Portable to take: Light weight,thermometer is in mini size, take up little space, can bring you satisfying using feeling. - Practical functions:The test result is accurate, thistemperature thermometer is very practical and can function very well. - Wide occasions applicable:Portable thermometer issuitable for factory, home, bathroom, bedroom and many other scenarios. Package list: 4 x Hygrometer Thermometers