


The popular wall light switch has the difference between dual control and single control. Each unit of dual control has one more terminal than single control. A light can be controlled in the room, and it can also be controlled outside the room called dual control. The dual control switch can be used as a single control, but the single control switch cannot be used as a dual control.
Our wall light switches are generally made of engineering plastics, glass, aluminum alloy and other materials, in order to provide better help to people's lighting, we strictly control product quality, main supply popular EU standard coloured wall sockets, modern style 220V 1, 2 gang electrical light switches, low voltage push button switch, dimmable led light switch, as well as some self locking nylon cable ties for buyers, especially for European users.
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