Wireless RV EZ LevelThe Camco Wireless RV EZ Level is the fastest, most convenient way to level your RV. It allows you to monitor your RV&&';;s level in both axes simultaneously and has Bluetooth capabilities to display your RV levels on your smartphone or tablet. The EZ Level includes a free, easy-to-use mobile app, but can also be used without connecting to a device. Product features illuminated indicator lights-green means level; red indicates a low side. The EZ Level automatically shut off when it&';s not in use, extending the life of the (3) AA batteries (not included). Also features an on/off switch. The product is simple to operate and stow. Measures 8 5/16-inches (diameter) x 2 5/32-inches (tall).Features: Provides Fast and Easy RV Leveling: Allows you to monitor your RV&&';;s level in both axes simultaneously Smartphone Compatible: Bluetooth capable to display your RV levels on your smartphone or tablet; Includes a free, easy-to-use mobile app; The EZ Level can be used without connecting to a device. Requires iOS 9.3 or higher or Android 7.0 or higher Illuminated Indicator Lights: Green means level; red indicates a low side Features: Automatic Shut Off Function plus on/off switch: Turns the level off when, not in use, extending the battery life Battery-Operated: Requires (3) AA batteries (not included) Simple to Operate and Stow: Unique design provides easy operation and stowing; Measurements: 8 5/16-inches (diameter) x 2 5/32-inches (tall) .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }