Light Efficient Design LED-8029E57 LED-8029E57-A LED Retrofit, 5700 K, Bright White Ballast Bypass Compact design delivers broad, even light distribution when retrofitted into HID bollard fixtures. Easy to install, reliable retrofits provide an energy savings up to 80%. Rotatable E26 Base insures that light output is directed to where it is needed. Safety rated and heat tested within fully enclosed fixtures from -40 to +122F ambient temperatures. 24W LED replaces Metal Halide (MH) or High Pressure Sodium (MPS) High-intensity discharge (HID) Lamps up to 150W. Advanced Active Cooling technology delivers consistently higher LED efficacy and life when placed within enclosed fixtures. Integrated 6kA surge.