Festive 1000 Carnival Firefly Indoor/Outdoor Christmas Lights Running cost 1p per hour* *Based on UK Price Guarantee (October 2022), correct of 5/11/22, electricity rate of 34.00 pence per kWh. Subject to change in energy tariffs. This set of 1000 lights will illuminate your indoor or outdoor Christmas display in extra festive cheer. They feature a mix of static red bulbs and white firefly bulbs that put some twinkle into the season. 1000 carnival firefly lights - red static / white firefly bulb Material Content: Acrylic, Copper, PVC, ABS, Mild Steel lead length 5m - lit length 25.97m - bulb spacing 26mm transformer rating ip20/31v/9va - bulb rating 3v/0.02a/0.06w indoor / outdoor Green cable