The Newlec LED half lantern offers a 90% energy saving while still delivering the same amount of light as the 60W GLS equivalent. The efficiency can be further improved up to 97% by using the PIR option. The tough polycarbonate construction is vandal and weather resistant (can be used in coastal areas) making it suitable for nearly any application. The opal diffuser provides an aesthetic covering for the LEDs while balancing the light distribution to ensure there is no glare. PIR version has a 6M detection range and 110 detection angle. IP65 rated. The benefits of LED Long life (50,000 hours) ensures years of maintenance free operation. Using this luminaire 8 hours a day 7 days a week will typically equate to a lamp life of 17 years. LEDs can be instantly switched on and off an unlimited amount of times. CFLs would have to wait to warm up before being switched off and constant switching reduces the lamp life. Unlike standard fluorescent alternatives which can take up to 80 seconds to achieve full brightness, LED gives instant full brightness light.