Some kinds of motion sensor lights, called occupancy sensors, operate by turning off lights in unoccupied rooms and spaces. When motion is detected, the sensor triggers the light; when motion stops being detected, the sensor shuts off the light. Occupancy sensors are one low-maintenance method for cutting down on electricity bill charges from lights left on when no one is home or in a room.Occupancy sensors can be controlled and adjusted to meet the user’s needs, but how do you adjust motion sensor lights? Typically, two forms of motion sensor light control are offered: sensitivity and time delay. A sensitivity setting enables the user to adjust the magnitude of motion that must occur to trigger the sensor. If properly set, a person walking in a room with a motion sensor trigger should activate the sensor, but a fly passing through shouldn’t result in turning on the motion lights. A time delay setting allows the user to determine how long the lights should remain on after the sensor is triggered if no further motion is detected.

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