Lumenplay App-Enabled Lights - 1101484 - Classic C9 Extender String Lumenplay Controller required for use (not included) 12 C9 bulbs (RGB LEDs) on green wire End-to-end connection (up to 500 lights) 12" bulb spacing, 6" tail 120V standard plug; CSA-US certified Indoor/outdoor Lumen play Controller required for use (not included) 12 C9 bulbs (RGB LEDs) on green wire End-to-end connection (up to 500 lights) 12" bulb spacing, 6" tail 120V standard plug; CSA-US certified Indoor/outdoor