Monitor an additional area with this add-on wireless sensor that measures ambient temperature and humidity and water, soil or air temperature with a 6 ft. stainless steel wet probe. Use a smartphone, tablet or computer to remotely monitor temperature and humidity levels that affect your home, business, aquarium, terrarium, hot tub or garden. Protect your property. Prevent frozen pipes, mold growth and food spoilage. Monitor indoor temperature and humidity with the sensor and hot tub or aquarium temperature with the detachable 6 ft. stainless steel wet probe. Receive e-mail and text alerts for temperature and humidity, connection loss and low battery. Disclaimers: (1) La Crosse Technology, LTD. (?La Crosse?) provides various alert services to aid users. La Crosse shall not be liable for accuracy, usefulness or availability of data transmitted via the service. Users are solely responsible for damages to persons or property by service use. (2) service providers may charge users for alert services. Standard messaging and data rates apply and will be billed to the customer?s wireless account. Customers may be unable to receive text messaging or data service in some areas due to unavailability of service.