... More Applications, 180-Degree Field of View, White The SK902 can be used for automatic switching of lighting, incandescent, ... 902UN( Ultra sonic detector) and 902IN(PIR detection). The SK902 series All have dual technology sensors.( PIR sensor with ... microphonics, Ultra sonics with microphonics) OPERATIONThe SK902 uses passive infrared (PIR) detection technology or Ultra sonic Doppler ...
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