This module has 4 switch outputs, each of which can be loaded with 220v10a light opening and closing control, and can control various curtains, electric blinds, garage doors, etc.

In addition to a core "neuron" chip, the relay part adopts Tyco led high-power relay, which can drive the inductive load such as LED, without the arc of ordinary relay.

It can be easily connected to other modules through a pair of twisted pairs. Standardized size, rail mounted, so that it can be placed in the general lighting distribution box.