DELight 20 ft Extension Cord for LED Tree Lights expands your outdoor lighting possibilities. Connect string lights across patios, gardens, decks with extra length ONLY compatible with DELight LED Tree String Lights and Christmas Tree Light on Flagpole Plug and play, simply align both joints and plug into 2-pin connectors Crafted by heavy-duty PP for wear and tear resistance, providing reliable power A must-have for Christmas/holiday decorations, landscape lighting, or any outdoor lighting project