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Specifications: It is fit for 500 watt Halogen lamp Detection distance: 12m(max)(<22ºC) Detection range:120º Ambient light: 2-1000Lux (adjustable) Time-delay: 5-600 sec (adjustable) Rated load (max): 1000W(220V/AC) Operating voltage: 110V/AC , 220V/AC Power frequency: 50-60HZ Patent code:ZL 99 3 07435.9