led infrared sensor ceiling light Features of our sound control ceiling lamp . In design of this led lamp we make full use of traditional ceiling lamp, intelligent body-sensing switch and led illumination. So it has the features of intelligent, energysaving, environmental protection, safety and durable in use. .Widely used in aisles, passages, washrooms etc. . Inside the lampshade there is an auto-illumination detection circuit. Only when the ambient illumination below setting data can the sensor turn on. This will save more energy. Standards: GB7000.10-2002 GB16915.2-2003