Inkbird hygrometer

The hygrometer features a display that shows temperature, humidity, and battery level. It can switch between Celsius and Fahrenheit at the push of a button. Two AAA batteries are required for operation, which must be purchased separately. The product dimensions are 63.5 x 20 mm, and it weighs 53 g. The temperature range of the internal sensor is -40 to 60 °C, while the external sensor ranges from -40 to 100 °C. Humidity can be measured between 0 and 99 % RH. The measurement and recording intervals can be set to 10 s, 30 s, 1 min, 2 min, 5 min, 10 min, and 30 min. By default, data is recorded every minute and can be stored on the sensor for approximately 20 days.