This tree features MAX 4 Non-Stop Professional Quality Incandescent Lighting: * If a bulb or bulbs are removed the set remains lit * If a bulb burns out the set remains lit * Eliminates light failure due to misaligned contacts * Commercial bulb filament quality and spacing * 3-year manufacturer"s guarantee To create a soothing, gentle ambiance indoors or out, string up a strand of Seasons 4 Commercial 100 ct. Amber Mini Incandescent with Green Wire and 5.5 in. Spacing - Case of 24. These amber lights help illuminate your space for a warm, calm feel winter or summer. Note: if a bulb burns out or one is removed, the set will remain lit. This eliminates light failure due to misaligned contacts. * Lit with MAX 4 Non-Stop Lights * Commercial-quality incandescent lights * Subtle amber lights * 100 lights with 5.5-inch spacing * Indoor/outdoor use * Green cord with 2.75 inches from last light to plug