Small size installed sensor appears almost invisibleFast simple installation easy ceiling mount, three wire connection (low voltage) and twist-lock sensor attachmentAccurate, consistent switching occupant complaints are eliminated, lights are ON when room is occupied, OFF when empty, annoying false-offs are minimized and lights ON at night is eliminatedSelf-adapting an internal microprocessor continually analyzes, evaluates and adjusts settings, performance is kept at a maximum and user complaints are eliminatedMaximum reliability, low cost all digital circuitry uses a minimum of componentsNon-volatile memory learned and adjusted settings saved in protected memory, power outages will not cause status lossAmbient light recognition the photocell prevents lights from turning ON when room is adequately lit by natural light