NO NEED SOLDERING - 2020, we found the easiest way to connect RGB led light: Just slot the strip light into connector and clamp the cover, you can achieve the ultra firmly stable connection. SAFETY AND DURABLE - The connector is made of professional retardant material, the working temperature is -40 ~ 221, which ensures connector more durable and . COMPATIBILITY - Fits all 4 Pin 10mm 3528/5050 wide RGB LED strips. Non-waterproof light strips can be installed directly. Need to strip the silicone on the contact area when used for waterproof LED strips. HUMANIZED DESIGN - we have upgraded the positioning slot at each connection port of the connector to help you insert the light strip easily. Also, we equipped with triangular plates to help you quickly open the connector. Colour: Material: Plastic Package Contents: 12 x RGB welding-free buckle 6 x L- device 20 x -adhesive clips 2 x triangular plate Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.