The Littlite T-Series gooseneck light features a threaded TNC connector for use with a TNC connector. T-Series Gooseneck lights are available in LED, Halogen and Incandescent models in your choice of six, twelve or eighteen-inch goosenecks. Click on the category links below for more information. T-LED Series T-HI Series (High Intensity 5-Watt) T-Series (Low Intensity 2.4-Watt)