SensorPush HT1 Wireless Thermometer/Hygrometer for iPhone/Android. USA Developed and Supported Humidity/Temperature…

Amazon.com Price: $49,99 (as of 26/10/2021 11:29 PST- Details) & FREE Shipping.

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Flexible: Add a SensorPush G1 WiFi Gateway (sold separately) for data and alerts via the Internet
Powerful: Line of sight range of 325 feet keeps you up to date, even on the other side of your home