ABI Solderless Female Barrel Power Connector for 10mm 5050 LED Strip Light, 5.5mm 2.1mm Connect the most common power adapters directly to 10mm LED strip lighting with this solderless 5.5*2.1mm Female Barrel connector. This allows you to split a reel of strip lights into multiple smaller runs or connect a barrel type driver to strips that didn't come with a barrel connector. Open the top of the connector, insert the strip under the pins, and close the top. Pay attention to the polarity. 10mm 2-wire strips are normally used with single-color SMD5050 chips. Fits 10m 2-conductor PCB strips Solderless design 5.5*2.1 barrel power connector