How it works1: Plug the Wifi gateway into socket, pull out the water sensors battery insulating tab.2: Download ‘Govee Home’ on App Store or Google Play to your cellphone.3: Open the app and sign up with your email account.4: Click the icon '+' at the top right corner and select H5040 device.5: Follow the app prompt to connect your wifi Gateway with your router(not support 5G wifi).6: Name each sensor like Basements, Kitchen Sinks, Water Heaters and put the water sensors on the detecting location.7:Get email,Push notifications and alert on your smartphone when leak happened