The EcoView is a Passive Infrared (PIR) Detector, which evaluates both body temperature and motion to ensure accurate occupancy detection. The EcoView also includes an integrated photometer light level sensor, which is used to determine the amount of light in the space it is covering. This light level is used in the EcoViews internal process for occupant detection and increases the accuracy of occupant detection in low-light conditions. Because the EcoView is an advanced PIR with an onboard microprocessor, it is able to store specific settings affecting its mode of operation. These advanced settings are software selectable and include a wide range of sensitivity options as well as certain motion filters. The motion filters can compensate for unavoidable site
conditions such as convection currents, vibration, and frequency interference that would trigger false occupancy messages on most PIR sensors.