How does touch two way light switch work?

What is touch two way light switch?
Touch two way light switch has three terminals respectively connected for light, live wire and neutral wire (see diagram below). When operating the switch, three terminals must be connected at the same time to work normally. Usually two switches controls on/off for one lamp/light. For example, you can use switch downstairs to turn on the light; while use switch upstairs to turn off the same light. So you are free from the trouble of running up and down to turn on/off the light.

What is it used for?
Two way light switch widely works with all types of lights including incandescent lamps, halogen lamps, fluorescent lamps, energy saving lamps and so on, for the purpose of making the house more comfortable with easy installation and use.

How does it work?
It is simple working steps by steps. Just do as follows:
Matching steps:
Touch slightly the icon on the switch connected with lamp for 5 seconds; take away your finger when you hear the sound of “Di”. Then touch any icon on the other switch, the lamp turns on/off, which means the success of matching.
Matching cancel steps:
Touch any icon of switch connected with lamp for 10 seconds until hearing two sounds of “Di”, and then takes away your finger immediately. All the matching will be cancelled.
Operation:
Touch softly the icon on any one switch surface, the light will be ON; touch again the icon on any one switch surface, the light will be OFF.
Note:
Please don’t take away your finger when you hear one “Di” sound.
The quantity of connected two way switch cannot exceed three.
The total load power can’t exceed 1000W for all connected two way switches.
The distance between two sides of A/B can’t exceed 30m.
If the switch is not connected with any lamp, there is no sound when matching. Remote function is not available.
Not support remote scene mode.


The following pictures are wiring diagrams respectively for 1 gang, 2 gang, 3 gang of 2 way light switch.




Warning:
When one two way switch connects with another, any one switch connected with live wire is enough.
Lamp like L1/L2/L3 can connect with any one of two switches.
Both communication line A & B from one switch should be connected with others. Communication line A from one switch is forbidden to connect B from others, only A to A, B to B.

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