Specific parameters: wattage: 20W, 30W, 40W, 50W, 60W (can be designed other power) pole mounting diameter: φ60mm for height: 6m-10m color temperature: 3000-6500K Protection: IP65 total luminous efficiency: 95 ~ 112lm / W CRI: more than 70 Features: Material: 1, high-quality aluminum alloy, high strength, no rust. 2, anti-static spray, excellent corrosion resistance. 3, high temperature waterproof gasket, suitable for all kinds of weather. Features: 1, to retain the traditional lamp shape, beautiful high. 2, lamp left vents, convection cooling, cooling effect. 3, professional heat sink design process, with the use of air-conditioning cooling fins, machining methods produce large cooling area, cooling effect. 4, modular design, easy maintenance. 5, professional optical lens, high transmittance, the overall shape appearance.