Model Number:MGU305W Watts:4.5W Input Voltage:DC 85-265V Input Frequency:50~60 Hz Lamp Base:GU10 Lumens:270lm CCT(°K):2700-3500K CRI:Ra>80(WW) Material:Aluminum + PC Life Span:30,000h Dimension:Φ49×59mm MR LED PAR16 series is an ideal retrofit solution for spot applications, delivering a warm, halogen-like accent beam and huge energy savings and minimizes maintenance cost without any compromise on brightness, MR LED Spot Light series are compatible with most fixture and designed as a retrofit replacement alternative for halogen lamps. Features: 1.Very low energy consumption, saving of up to 80% energy than the traditional GU10 2.Flicker free used with electronic transformer 3.Extremely long life to 30,000 hours 4.Equipped with highly efficient high-power LEDs 5.Low operating voltage safe to use 6.Warm white/ date light white/ cool white 7.Dimmable can be optional for 5W 8.No UV or near-IR radiation Application: They are particularly suited for public areas such as lobbies, corridors,museums,cosmetic counter,art galleries,display cabinet, stairwells,where the light is always on.