... environment. Product description:1, Quantity of Led:288PCS2, Working voltage: 180-255V3, Power: 17 w4,Luminous ... :white/warm white6,Beam Angle :120 degree7,Working Temperature:-20°C±40°C8, Shell material: ... 50% energy .2,NO noise.flick,Soft light,high color rendening index.3,Environmentally friendly products: ... ,home,etc. Usage:The same with traditional light,No need to purchase bracket and lamp sit ...