Mr Beams(TM) Wireless Motion Sensor LED Ceiling Light MB980 Mr Beams(TM) battery operated ceiling light saves you the hassle of dealing with pull string lights or the expense of wiring lights. The wireless light installs anywhere in less than 5 minutes and provides 100 lumens of bright automatic light. Motion activation combined with wireless installation makes the ceiling light the ideal hands-free light for old basements, sheds, closets, porches, showers or anywhere that doesn't have sufficient lighting.