【Scope of Application】These 4-pin connectors are mainly used for 10mm/0.39inch LED RGB light strips, solid wires and multi core wires, suitable for 4-wire connection. While using, please make sure the copper core of the wire and strip are completely in contact with the connector. 【Easy to Use】The connector is very convenient to use, you just need to insert the light wire into the corresponding guide slot and check the positive negative poles, then align the copper contact on the light strip with the pin on the LED connector, Finally press down the cover on both sides. 【No Soldering】Quick and flexible connection, eliminates the process of soldering or using other tools, makes it easier for you to change the position of light strip, also provides great convenience in the subsequent maintenance and replacement process, which is very suitable for LED lighting DIY project. 【Rugged and Durable】These LED RGB extension connectors are made of quality plastic and tinned copper, sturdy and durable, not easy to break or damage. Adopt a bite design like a hippo, which makes the connector can firmly fix the wires and led strips. 【Package Includes】You will receive 20 pieces LED light adapter connector, sufficient quantity to meet your daily use or replacement, good quality and high working performance makes the adapter have sufficient service life.