RV Whisper manufactures aftermarket RV monitoring systems so RV owners can easily install and monitor multiple wireless sensors in their RV and see the monitored data over the internet. Alerts can be sent as email and text messages. Sensors in the RV can monitor water tank levels, temperature, humidity, battery voltage, battery current and battery power. . RV Whisper LLC is bringing the Internet of Things (IoT) to the RV aftermarket. (less)