Protect your family's health with the Airthings Wave radon detector. It activates with a simple wave of your hand, visually displaying radon levels via color-coded, lighted rings or sending the results to your mobile app. Three built-in sensors - Forhigher accuracy, the radon sensor is equipped with temperature and humidity sensors. Bluetooth connectivity - for all additional smart features and setup. Free mobile app for iOS or Android. Lets you stay informed about the status of your Wave detector. Two standard AA batteries. Batteries offer up to 1.5 years of continuous operation and ensure that there is no complicated wiring. Wall or ceiling mountable for optimal positioning in your room. A single screw attaches the base to a wall or ceiling, and magnets keep the device connected to the base.