Introduced about a year ago, the 1 Series’ popularity has surprised us. Made from mar resistant textured plastic, it uses the new “double stick” PLLlamps from Philips that significantly increase the power output over similarunits that use conventional lamps. This translates directly into shortertreatment times. You can order the devices with a variety of differentlamp types including UVA, UVA1 and the commonly prescribed Narrow Band UVB(nbUVB). The 1 Series was designed to treat the hands or other smallerareas of the body.