This compact SMD module is suitable for universal use, despite its extremely small size. High sensitivity, adjustable in four steps. Integrated window comparator, TTL & CMOS compatible open collector output with pull-up, which can also control LEDs or relays directly. Additional analogue output for your own conditioning circuitry. Example application: Automatic lighting systems, alarm & security systems, presence detection, hygienic non-touch switches for sanitary applications, building management systems, OEM applications, etc. A quality product from Germany.