Product Features: Power Supply: 200V/AC~240V/AC 50Hz~60Hz Ambient Light: 10Lux~daylight Rated Load: 40W Sense Distance: 8m (adjustable) annotate: it has great relation with in stalling height. Time Delay: 5Sec(Min)~9Min(Max)+/-2Min Sensitivity: 4m~8m (adjustable) Motion Speed: 0.61.5m/s(motion speed has direct rate with sensitivity in certain range) Temperature: -10~30℃