These string lights are superbly durable for all year outdoor use and at 20 metres long, they're the perfect set for your trees. With 190 filament bulbs, they have a nostalgic glow and can be extended too. Leave out all year round, even through the snow, and you'll have your garden dressed for a picture perfect scene. With dark green rubber cable, they comprise 190 traditional warm glow bulbs, (not LED). The 20m lights are made up of 5 sections of 4m strings and long life non-replaceable bulbs. TOP TIP – From just one plug you can add additional sections of lights to extend up to 80 metres or 760 bulbs! 190 filament bulbs, 20m length Connect up to 4 Sets 1.5m plug attached