Features FOR MAINTAINING TEMPERATURE: A digital probe thermometer hygrometer for measuring ambient or ambient humidity, such as for plant care or for maintaining appropriate humidity in areas ranging from 10% to 99%R H DURABLE PLASTIC: Using excellent plastic material, durable, can be used for a long time, light weight and portable DIGITAL DISPLAY: Digital liquid crystal display, possess high accuracy and good stability, you can rest assured to use TEMPERATURE PARAMETERS: Temperature measurement range from ‑50℃ ~ +70℃, temperature display resolution for 0.1℃, temperature measurement accuracy is ±1℃ HUMIDITY PARAMETERS: Humidity accuracy for ±5%, humidity resolution is 1%R H, humidity sampling period 10 seconds(1 minute) Specification: Item Type: Thermometer Hygrometer Material: Plastic Overall Size: Approx. 48 x 28.6 x 15.2mm / 1.89 x 1.13 x 0.6in LCD Size: Approx. 35.7 x 16.8mm / 1.41 x 0.66in Temperature Range: -50℃ to + 70℃ Temperature Display Resolution: 0.1℃ Temperature Measurement Accuracy: ±1℃ Humidity Measurement: 10%R H - 99%R H Humidity Accuracy: ±5% Humidity Resolution: 1%R H Humidity Sampling Period: 10 Seconds(1 minute) Humidity Measurement Accuracy: ±5% Rated Voltage: DC1.5V (2 x AG13 button batteries) Package List: 1 x Thermometer Hygrometer Package List 1 x Thermometer Hygrometer