Comparing with conventional outdoor lighting, outdoor LED lighting has clear advantages: Much More Energy saving, outdoor LED lighting uses 40-80% less electricity than regular high pressure sodium fixtures, it's 7 times more energy efficient than conventional lighting. Longer lifespan, outdoor LED lighting has more than 100.000 hours lifespan which is 3 to 8 times longer than conventional lighting. More Environment Friendly VThe carbon footprint of outdoor LED lighting is smaller than other lights due to lower energy usage. Outdoor LED lighting contains no harmful substances, like mercury, lead or other hazardous chemical and gasses. Other outdoor lights often have hazardous materials such as lead and mercury which require special handling and waste management procedures which have both economic and environmental costs. Outdoor LED lighting case: LED street lights used in parking lot in England.