Features: Digital Screen Display:The first row displays temperature and the second row displays humidity easy viewing. Real Time Monitoring: This thermometer can sense changes in the air monitor temperature and humidity in real time and adjust the indoor environment according to temperature and humidity. Low Energy Consumption: The thermometer has a low energy consumption screen which has a long endurance time. High-quality Material: It is made of ABS environment-friendly material durable and exquisite.Small and light easy to carry. NoDrilling Installation: With double-sided adhesive tape on the back no drilling needed for hanging. Suitable for kitchen living room bedroom etc. Specification: Material: ABS + LCD Diameter: 44mm Temperature Range: -50C ~ 70C TemperatureAccuracy: 1C Humidity Range: 10% ~ 99%RH HumidityAccuracy:5%RH Battery: Button Battery (Included) Package Included: 1 * Thermometer 1 * Button Battery Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. includes: 1 * Thermometer 1 * Button Battery "