Steinel rs 16 interior sensor light with high frequency sensorwall or ceiling light in a practical design with a motion detector ideal for hallway entrance hall or staircase high quality finishing german qualityhidden unseen on the inside of the light the up to date sensor technology reacts independent of temperature to the smallest movements and ensures that the light turns on extremely quickly and then off again after a programmed durationrange can be stagelessly adjusted by 1 8 m