Key features Technical details Purpose Indoor sensor type Temperature & humidity sensor type Free-standing Temperature measurement range 20 - 60 °C Transmission technology Wireless Humidity measurement range 0 - 99% accuracy 0.3 °C Precision 3% Temperature measurement unit F, °C Temperature update rate 2000 ms Battery/battery battery/battery type AAA/LR03 Battery/battery technology Alkali Number of battery/batteries supported 2 Battery/battery voltage 3 V Weight and dimensions Width 62 mm Depth 62 mm Height 24.5 mm Operating conditions Operating temperature 20 - 60 °C Relative Humidity in operation 0 - 99% Screen Built-in display Yes Package contents Tapo T315 × 1 AAA/LR03 battery × 2 3M Adhesive × 1 Quick Start Guide × 1