Replace the appilcation of 40-45w lamps For line voltage Extremely long lamp life Beam angle of 35 for spot lighting Up to 80% energy savings No UV or near infrared radiation Professional heat managemert. Specification: cap-base:E27 / E26 / B22 Luminous flux: 4W:CW>360Lm WW>320 LM 7W:CW>630LM WW>560 LM 9W:CW>810LM WW>720 LM Light efficiency: CW:90LM/W-100LM/W WW:80 LM/W-85LM/W Color temperature:CW:6000K-6500K WW:2700k-3300k Light color :warm white ,cool white color rendering index:>70 RA input voltage:AC85-265V Size:115 mm ¡Á ¦µ: 60 mm Casing material:PC+cast aluminum.