Leviton OSSMT-GQI Decora Multi Technology Wall Switch Occupancy Sensor, Ivory Fast, simple installation: Fits in a standard wall box and replaces a single-pole wall-switch; neutral and no neutral options available Segmented Fresnel lens provides optimum sensitivity and performance Adjustable horizontal field-of-view Low-profile design eliminates obtrusive "scanning-device" look Self-adaptive technology: time delay and sensitivity settings are continually adjusted to occupant patterns of use in auto adapt mode