(1) Power 4W
(2) Lm/W 128
(3) Voltage 110V-240V
(4) Beam Angle 340°
(5) Power Factor >0.97
(6) Luminous Flux >460
(7) CRI >90Ra
(8) CCT 2700K-6000K(Optional)
(9) Filament Material Sapphire Substrate
(10) Working Enviroment -28℃~45℃
(11) Life Span 30000 hours
(12) Application:Residential Buildings, Home, Office, Meeting Room, Hotel;
(13) Hospital, School, Library, Factory, Warehouse, Parking Garage;
(14) Commercial Center, Supermarket, Shopping mall, or anywhere you want.
(15) The filament of this product is made of sapphire substrate but not ceramics or copper,because sapphire possesses many advantages that ceramics and copper have not.
(16) Up to 85% energy saving.
(17) Good CRI to display original color of objects: Ra≥90.
(18) Filament made of Sapphire Substrate,resist 2050℃,more excellent performance.
(19) Excellent heat sink design.
(20) Fashion design and different types.
(21) Easy to install and use.
(22) CE,ENEC,UL,ROSH Approved
(23) Superior high quality bulb with 30000 hours warranty.
(24) Hot sale in supermarket with color box or Blister packing.
(25) No risk of mercury emission, environmental friendly.
(26) Accept Customer's DIY package, also the filament inside.