- 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 2-second sampling interval for continuous monitoring - Instant push notifications on your smartphone - Compact design ideal for small spaces: 3,5 x 2,2 x 9,4 cm - Data analysis with yearly, monthly, daily, and hourly views