... kitchen, veranda, stair well and park etc. 1)Special Featuresa) Light sensor function: auto identify the environment illuminance,and working after it ... .b) Auto switch on/off: with motion sensor technology, the lamp will auto switch on/off according to ... -40s, 10% illuminance, 3) After 40s. light off. d) Detection distance, sensitivity of light sensor, time interval of corridor function, can be ...