Steinel dl 850 s sensor light for outside maximum energy efficiency under canopies with this sensor ceiling light from steinel light is frequently needed in the entrance areas of places like a block of flats the combination of sensor technology and energy saving bulbs enables particularly high savings herethe dl 850 s is the perfect choice for buildings where the entrance light is attached under a canopy this attractive sensor ceiling light is fitted with two 9 w energy saving bulbs the ball