Easy to use: compatible with 0.39 inch/ 10 mm wide 4-pin SMD 5050 RGB LED strips; Working temperature: 0-50 degrees centigrade Storage temperature: -20-60 degrees centigrade Nice material: they are made of PBT material, heat-resistant, anti-scalding, safe and durable , quick splitter connection and quick solderless solution; these are designed for use with waterproof strips that have a silicone coating Compatible with: Provides a seamless and solderless connection for waterproof and non-waterproof LED strip lights; Solderless connectors for 10mm waterproof RGB LED strips, pins pierce the strip from the back to make a connection without compromising the silicone, suitable for standard density strips Firm connection: just open the clip of wire, simply insert the light strip into the connector and attach the cover (no soldering required), making sure the side of the strip lines up with the + symbol You will receive: there has 20 4-pin no-gap connectors, 5 L-shape RGB connectors and 5 T-shape LED connectors in our package, which are enough for you to use and apply in daily life