Easy to Use:Compatible with 0.32inch / 8mm Wide SMD 3528 RGB Flexible LED Strips.Open the wire clip. It should snap open with just a little effort.Insert your 8mm LED light strip inside the clip underneath the two contact prongs, making sure the side of the strip aligns with the + symbol.Close Snap the wire clip shut. Gently pull on the wire to confirm you've secured the strip inside the connector. Solderless couplers for 8mm RGB LED strips only Pins pierce the strip from behind to make a connection without compromising the silicone Suitable for standard density strips only. Quick Splitter Connection and A Solderless Quick Snap Down Solution.These are designed specifically for use with waterproof strips that have a silicone coating. Pins of led strip:4 pin Led strip .width:8mm Working Tempreture:0-50 Celsius Storage temp: -20~60 Celsius Tool-free installation. No Need Soldering. Installation Instructions: Open the clip on the side Slid the 10mm LED light strip inside the clip underneath the two contact prongs Make sure the side of the strip aligns with the "+ -" polarity Close the wire clip Colour: white Material: plastic Package Contents: 50 * Light Strip Connectors 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.