Rectangular led outdoor wall light l224 with built in passive infrared sensor and energy efficient led technologythe times of looking fruitlessly for the light switch in the dark have now come to an end with the led outdoor wall light l224 as the fact that this has a built in high frequency ir sensor at the bottom means that it is no longer necessary to turn the light on and off for the light turns on automatically as soon as there is someone in the detection area and lights up the whole area