• Wireless indoor thermometer hygrometer with temperature and humidity control • Communication range of up to 500 m • Compatible with Alexa, includes 4 sensors and 1 base station • Precise temperature measurement of ±0.2 °C in the range of -20 – 60 °C • Relative humidity accuracy of ±2% in the range of 0 – 100% • Fast sampling interval of 2 seconds for continuous monitoring • Instant push notifications on the smartphone • Free data storage and export in .csv format • Compact design ideal for small spaces: 3.5 x 2.2 x 9.4 cm • Data analysis with annual, monthly, daily, and hourly views