1. random combine the frame and modules 2. three types ... for hotel, office, or villa New designed 1 gang 2 way switch/ electrical switch 1 gang 2 way switchone gang two way ... project and so onHere are the frames and panel: Feature:1. Panel material: PC ,copper accessories Frame: Alloy material, ... , office building, market, resident house and so on New designed 1 gang 2 way switch/ electrical switch