... stair well and park etc. 1)Special Featuresa) Light sensor function: auto identify the environment illuminance,and ... 1-10s, 100% illuminance, 2) 10-40s, 10% illuminance, 3) After 40s. light off. d) Detection distance, ... light sensor, time interval of corridor function, can be customized. e) Confirm to CE, CCC, FCC, ROHS etc.2 ... veranda, stair well and park etc. Intelligent LED Down light Series