A good price for this hygrometer
Includes humidity sensor, and temperature sensor.
Best part is AAA battery for power source.
Similar ones are like $30 on eBay
Temperature gauge range: -58°C–158°F (-50°C–70°C) accurate to ±1°F/°C
Humidity meter range: 10%-99%, accuracy to ±2%-3%
Comfort indicator: Dry, Comfortable, Wet
Temperature Display: Fahrenheit or Celsius
Temperature Resolution: 0.1 °F/°C
Humidity Resolution: 1%
Refresh rate: 10 seconds
Package should hopefully come with a AAA battery included in it as per listing description (which I believe is based on 2 hygrometer option thus saying
Package: 2* Temp and Humidity Monitors, 2* AAA batteries, 1* User Manual)
Also who knows what came in some seller's mind putting 1 for $8.99 and 2 for $22.39
About this item
Accurate Readings & Fast Refresh Rate: Temperature and humidity monitor is highly accurate with ±1℉/℃ and ±2%-3%RH, and refreshes every 10s to provide the most accurate information to adjust your humidistat
Easy-to-read Digit Display: Humidity temperature sensor features a clear display packed in a small body which allows you to view readings from various angles even at a long distance
Long-Lasting Battery Technology: House thermometer uses the latest ultra low power consumption display to extend the battery life up to 18-24 months helping you save money and time on batteries
Face Icon Comfort Indicator: Smart thermometer has three face icons which indicate dry/comfort/wet to quickly inform you of the air conditions to better protect your skin and health
Smart Design to Maximize Space: Wall thermometer is designed with tabletop stand, magnetic back, hanging hole. Place mini hygrometer wherever even small spaces such as humidor, incubator and refrigerator
Thanks OP tagged one.