1.WiFi/RF wireless button, RF(433 MHz) wireless  transimission, wifi wireless connection, APP remote monitoring, can accurately and clearly detect button  trigger.
2.suitable for villa, leisure center, hotel, guest house, office, home and other call occasions.
3.RF wireless transmission, the corresponding receiving host can be configured (when the button is triggered, RF wireless signal will be sent to the paired host)
4. Buttons  operation are  fed back to APP in real time through network.