Airthings Wave is not just a radon detector. It will provide you with detailed information about radon, temperature and humidity levels right on your smartphone or tablet. Airthings Wave is easy to use and easy to install. With Wave, you can view daily, weekly, monthly and yearly measurements in the free mobile app. Wave your hand in front of the device for easy to use color coding, also shown in the app. Green (good), yellow (warning) and red (danger). Know your actual levels by using the free mobile app. Blue tooth enabled: iPhone, it’s iPhone 4S and up. iPad Air and up. iPad mini 2 and up. iPad 4th Gen. iPod Touch 6th Gen. Android: http://support.airthings.com/hc/en-us/articles/115001478145-What-Android-OS-is-supported-by-your-Wave-app- 2 AA batteries (included) will provide you with approximately 1.5 years of peace of mind.