How much does this cost to the nearest dollar?

WiFi Temperature and Humidity Sensor,Tuya Smart Hygrometer Thermometer,Compatible with Alexa,App Notification Alert,Temperature Humidity Remote Monitor for Home House Greenhouse¡­
Temperature Humidity Monitor Remotely Users can monitor the temperature humidity remotely via app.And the sensor will report when the temperature and humidity changes very little. You can view the changes in the value on the APP remotely or display screen. Smart Alert Create scene via smart life app,and push notification when the temperature or humidity goes out of preset value.stay ahead of air changes in your wine cellar, room, greenhouse or home. Voice Control WiFi Thermometer Hygrometer support Alexa,Google Assistant,know temperare via simple voice control commands, e.g. Alexa,What's the temperature in here? （don't support to

Price is $16.00

Price: $15.99