WM522 app for iPhone and iPad
WM522 is a multi-functional product, there are both traditional doorbell function and alarm function.
The host can add eight the doorbell button, button ring tone 32 songs to choose from, you can also add learning remote control, infrared detector, security door magnetic and other accessories.The device can also specify the time dont disturb, in mute state, let the rest of you have a better environment.