Specification: Voltage:AC180-265V, Led chip:SMD5730, Lamp Holder:E27, Material:PVC+Aluminum, Colortemperature:6500K, cold white, CRI:≥80, Luminous efficiency:≥95. Features: Strong sealing, Water-proof, Dust-proof, PC lamp shade, Longer life guarantee, Ic driver not easy to burn out, metal plate and Radiating vents, good for heat dissipation, extend the span life of bulb.