This motion sensor led stair lights kit contain a smart ES32 controllers can be selected, each with two motion sensors, and the sensors are fixed by screw thread. (A new APP controlled intelligent AC switch option has been added to allow the whole stair light system to be time controlled to achieve the purpose of not working during the day and working at night.) Install the two motion sensors at both ends of the first and last stages of the stair lighting, install COB led strips in the...