Guangzhou Gaaye Electronics Co., Ltd.
4 pin led strip light connector for 5050 rgb led strip 12v 24v -pin solderless clip-on couplers allow you to easily connect two 1-mm LED strip lights together.
Use these for extra long runs or to cut out bad chips.
Open the tops of the connectors and insert the strips into the connector and under the pins. Simply close the tops and it's done.