Check the listing for details. CompStudio 25 pcs CH2 Quick Connector Cable Clamp Terminal Block Spring Wire LED. Condition: New. Listed at 7.49 USD. Reiterate:please use it in the rated range, 220V, 1A,The Safe Use Of This Product Is Within 300W Within The Connection Between The Load And Wire, Do Not Connect High Power Electrical.Description:Crimp connectors are a type of electrical connector used to fasten two or more low-voltage (or extra-low-voltage) electrical conductors. They are widely used in North America in residential, commercial and industrial building power wiring.Compatibility: 20 - 12 AWG,support for flexible wires, hard wires, single wire and multi-stranded silicone linesPackage include:25 x spring connectorThree steps to finish wire connecting with No screws and solidering:1. Press the spring clip2. Insert wires (please correctly connect for + and -)3. Release the press clipAdvantage:1:One second fast connection2:Fast, efficient and safe3:Screw free, improve the assembly speed4:Can completely replace the electrical tape5:Cost savings6:They are commonly used as an alternative to terminal blocks or the soldering of conductors together, since they are quicker to install and, unlike soldered connections, allow easy subsequent removal for future modifications.