MAIN CHARACTERISTICS range of product HARMONY XVD OPTIMUM product or component type COMPLETE MINIATURE BEACON beacon or indicator bank unit type BASE UNIT WITH DIRECT FIXING MODE signalling type STEADY mounting diameter 45 MM component name XVDLS material GLASS REINFORCED POLYAMIDE BASE UNIT light source RED BULB NOT INCLUDED bulb type INCANDESCENT WITH BA 15D [Us] rated supply voltage