SINCELIGHT LED Motion Sensor Light Fixture with motion detector and light sensor( Dusk to Dawn sensor ), Be an integrative close to ceiling light with ultrathin design. Equiped a switch on the light with dual sensoring mode. How does it works : When there is someone (or animials) entering the detection range of the lamp, The lamp will light up for 60 seconds when there is not continuous motion activity. 24 Hours Sensor Mode ( Mode #1 ), In this mode, the lamp detects motion activity all day or all night. Dusk to Dawn Sensor Mode ( Mode #2 ), In this mode, the lamp detects motion activity only from dusk to dawn. But if the lamp work in a dark place(without sunlight or lamplight), the lamp will keep sensoring human activity. Easy Installation and Maintenance : Users can easily install LED Motion Sensor Panel Light on the ceiling or wall with enclosed screws, And you can remove and maintenance the lamp very easy by screw out 2 screws.