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B+B offers a wide range of products for precise measurement of brightness in outdoors and indoors and for detection of motion, like our PIR sensors (passive infrared), which is the most common motion detector type. Furthermore our product range is completed by our B+B radar motion detectors which react to all movements towards the sensor in contrast to the PIR sensors which registers only objects with a temperature difference to the background. Our brightness sensors are protected against overvoltage and tansients and therefore suitable for permanent use.
Typical application areas for our brightness- and motion sensors:

Automatic control of illumination
Reporting of presence
OEM applications
Alarm and security technology
Fan controlling for bath and sanitary rooms
Automatic control of illumination through motion