1.【Dual purposes】: This connector kit comes with detachable L sheets and straight couplers, perfect for both 90 degree corners connection and extension along a straight line.2.【Solderless solution】: Create a quick shunt, solid connection without the hassles of soldering. Just slide the light strip under the connector's pins and snap down the clip.3.【Go both left and right directions】: No matter in what orders the RGB+ marked on the connectors, the connection work as long as the + of the light strip on both side are aligned.4.【Solderless couplers for 】： waterproof LED strips only Pins pierce the strip from behind to make a connection without compromising the silicone Suitable for standard density strips only .5.【Quick Splitter Connection and A Solderless Quick Snap Down Solution】：These are designed specifically for use with waterproof strips that have a silicone coating.