How much does this cost to the nearest dollar?

WiFi Thermometer Hygrometer with Waterproof Probe Smart Temperature Humidity Sensor with LCD Backlit Screen & Calibration Function, App & Buzzer Alert, Indoor Temperature Monitor for Home Pet
WIFI TEMPERATURE HUMIDITY MONITOR WITH DOUBLE ALARM Connecting with 2.4GHz WiFi(No 5G support), you can remotely monitor the smart humidity sensor. You can set the upper/Lower limit of the alarm via Tuya/Smart life app. The wifi temperature sensor will sound an alarm and send a notification to your phone when beyond preset value REAL-TIME UPDATE & CALIBRATION FUNCTION This remote temperature monitor is equipped with exceptional microchip and a sensitivity sensor, support Real-time data update. Users can also choose the temperature or humidity report time, such as 1s or digital

Price is $24.00
Price: $23.99