Easily transform ordinary fixtures into motion activated lights without the need for extra hardware. Twist bulb into the fixture, flip the light switch on, and have bulb automatically illuminate for 90 seconds when motion is detected within 30 feet. Smartsense is an easy security upgrade for your driveways, yards and garages. Or, enjoy the convenience of hands free lighting in by using the product in the entryway, patio or even laundry room. This energy efficicent LED bulb also saves energy costs, by ensuring lights are never accidentally left on. Note, Smartsense LED bulbs are not designed for use with fixtures that already have motion sensors.