If the user wants to use the switch wireless with the existing 2 switch system Such as fire control in the stairs. Recommend the use of wireless switch model I501 because installed convenient by may be installed at the position near the lamp control switch, 2 seriesControlling the on-off switch, can be used in the system 2 2 tops. And can add controls with a wireless remote control increase of one another. As the control with wireless remote control I501, light switches, both must be open.(from the picture can be seen as an integrated on). Like the lights on all the time, but we are on the wireless switch to control the opening and closing I501 bulb more.
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