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 . Also, we equipped with triangular plates to help you quickly open the connector. Colour: as shown Material: Plastic Package Contents: 12 x RGB welding-free buckle 6 x L-shaped Corner device 20 x self-adhesive clips 2 x triangular plate Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.