Wifi Temperature Humidity sensor with Buzzer and Email / Text Alerts Cloud connected WiFi Temperature Humidity sensor with NO monthly charges Connects to your home or office wifi. No hub or gateway required. Sends alerts by email/ text messages to multiple phones and emails. Easy set up, plugs directly into wall outlet. Sensor sticks out 3 inches for improved accuracy. Contact us if you need longer sensor cable. Programmable smart buzzer can be turned off after few minutes to avoid prolonged beep noise