User's Manual

5
• Do not install the smart button on metal doors because metal will cause signal
attenuation. You can install it on walls beside metal doors.
• It is recommended that the distance between the smart button and gateway be less
than 20m. If there are walls between them, the number of doors should be less than 2.
• Before sticking the smart button, clean the dust on the surface rst. Do not stick the
smart button on limewashed walls.