Miniature Bayonet Type, 6V-240V Range, 3 Watt Max, 0.688 in. Mounting Hole, Front Panel Mount, 0.406 in. Max, Panel Thickness, Secures With Nut And Washer (Included), Choice Of Lens Colors And Styles, Uses Either T-2-1/2 Or T-3-1/4 Bulb W/Mini-Bayonet Base, Housing Material: Chrome Plated Brass And Phenolic, Can Be Supplied With Rubber Gasket For Water/Oil Tight Applications, Gasket #Ng6774-Housing #Ng5061-Lens, 0.250 in. Terminals