Feature: 1.The base is made of high quality cold-rolled steel,dealed with spray-paint or plastic powder 2.With magnetic/electronic ballst,noiseless,safe and long life 3.High efficiency and energy saving 4.Working voltage:220-240V,50/60HZ 5.Available materials:mirroraluminum,matt alumimum,Chinese aluminum,iron coated,stainless steel 6.Power:available at 18W,20W,30W,36W,40W