54 Watt E39 LED Corn Bulb - 6,600 Lumen - 4000K- Replacement for 150 watt Metal Halide Bulb - 180bulb - LED Corn Light Bulb - High Efficiency 130 lumens to watt &ndash; LED Corn Light ONE DIRECTION IS MORE EFFICIENT- If your fixture only projects light in one direction, why waste energy sending light where you dont use it? You can often use 20-30% less watts with a 180 degree bulb compared to a 360 bulb. The 115 is a great upgrade to a 400 watt Metal Halide. Note ballast removal required. Direct wire only. BRIGHT LIGHT  54 Watt has up to 6600 Lumens with 6,000 effective Lumens and can used in parking lot lights, street lights, wall packs or more to replace 150-175 watt HPS/HID/HALIDE lights, 300W incandescent or 100W CFL. 4000K light color ensures a natural white light BETTER DESIGN - Uses 3030 Lumileds LED Technology to obtain 130 lumens per watt and project light in a 360 degree fashion. This series is now fanless. Cooler running LEDs and Better Heat sink to ensure solid state design and long lasting performance. QUALITY AND IP64 RATED  High Quality Aluminum Design has an IP64 Waterproof rating. Plastic covers protect LED and extend life. LEDs are rated for 25+ years of use. CERTIFIED - UL Listed (E486918) and DLC verified (RG-CLW05-54W) for safety and rebate eligibility. UL Certified products ensure better quality, safety and reliability. DLC is the Design Lights Consortium for independent verification.