led light bulb e27 9W Features: 1.Material:aluminum alloy, tempered glass with high temperature effects of high-reflective lens. 2.Size:120mm(diameter)*142mm(height), it can be put 9 led 3.Angle of refraction :up to 120 140 degree, with strong visibility. 4.Light source: LED packaged by epoxy resin, without the problem of filament heating. Technical specification: Power factor >0.95 Power efficiency >88% Total harmonic distortion <15% System power 9W LED luminous efficiency >90lm/w LED lamps initial luminous fux >810lm Luminaire light efficiency >90% Correlated color temperature 4000k 5500k Color factor Ra>75 Junction temperature <75° Working environment Temperature -40° 50° relative humidity 10% 95% Protection class IP20 Life >50,000 hours Advantages: 1.Anti-aging, good heat disspation, light-color uniform, good light transmission. 2.Long life and low attenuation. 3.With rated voltage and constant current power supply, it can ensure that the LED bulb works for longer and low attenuation. 4.High brightness LED light source, the color of light is without spot, it can achieve lighting effects. Approval status: CE, ROHS, PSE and FCC