The Smart Radar Human Presence and Light Sensor by electriQ is a spare part and accessory designed for power-saving in empty rooms. This sensor, model SPsensor, is compatible with electriQ brand products and is part of the accessory product line. The sensor detects human presence and adjusts lighting accordingly, ensuring energy efficiency in unoccupied spaces. Ideal for heating, cooling, and air systems, this accessory helps to maintain indoor air quality and fan performance while saving electricity.