Finder multi function automatic staircase light time delay relay series 14 finder type 147182300000 this finder 140182300000 time delay relay is from the 14 series and has been designed for energy saving control of lighting in areas where lighting is required temporarily the model features a microprocessor control and is targeted at lighting applications in stairwells corridors washrooms storerooms and similar areas that only require illumination for short periods of timethe 1