Product details:

This 27W corn cob bulb from Keystone replaces 100W metal halide lamps. The integral driver in the bulb eliminated the need for an external driver or ballast. Includes surge protection for up to 4k Volts. With an IP rating of 64, this light is suitable for use in damp environments such as outdoors. Available in bright white and cool white color temperatures, 4000K and 5000K.