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Staircase lighting time switch with dimmer automatically turn on and off the light
in staircases and corridors inside buildings. Dimmer function allows you to adjust the brightness of the
bulbs, and ensure their smooth illumination and waning. Potentiometer P1 is used to adjust the brightness from 5
to 100%, P2 to adjust the lighting time of 30sec ÷ 6min and P3 allows you to set the
smooth waning time from 2 to 90s. The device can significantly reduce energy consumption and extends the life of light
bulbs.
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