LED sensor bulb for staircase 1>10 years experience 2>OEM,ODM Offer 3> FCC ... RoHS certificate 4> 2 years warranty LED sensor bulb for staircase [Features and scope of application] This product uses LED light ... the locations that require automatic lighting such as hotel closet, staircase access, fire exits, corridors, balconies, garages, underground parking lot, family ...