... RoHS 3.long life span 4.excellent brightness MR16 led spot light stretched aluminum+PCMR16/12V/4Wlifespan more than 50000hsunique ... Basic commercial lighting;2. Generally matching in downlight, celling light, household lighting etc;3. Shopping, lighting, specialty lighting ... , hotel lighting, office lighting, home light;4. Commercial show windows and bars, airport, subway, ...