It features high-impact injection molded plastic housing and extended range PIR lens. Sensor requires 24-Volt DC voltage and 32-Milli-Amps current for operation. It is suitable for cafeteria, computer room, office open, file room, classroom, lounge, all restroom types, open area or gymnasium. Sensor measures 4.2-Inch Dia x 1.57-Inch. It has self-adapting internal microprocessor for error free and reliable detection. Sensor features ambient light recognition to prevent lights from turning on when room is adequately lit by natural light. Non-volatile memory of the sensor saves learned and adjusted settings in protected memory and power outages will not cause status loss. It has color-coded 6-Inch wire lead terminal connection. It is ceiling mounted at height of 8 – 12 ft. Sensor operates at temperature of 0 to 40 deg C.