Connectable string lights withtwinkle effect. Cable colour: green. Distance between 1st and last bulb: 1100. Distance between bulbs: 2.2. Functions: 8 Function twinkle effect. Indoor/outdoor: Outdoor.iLED size: 5mm. Number of bulbs: 500. Timer: 8. Extension set: Yes. Lead cable length: 16. Power type: Transformer. Transformer type: not included.