NIUNIU SAFE - This kit includes 15 compact PC wire connectors, selecting the PA66 modified nylon flame retardant insulation material, which has a long life, no corrosion, anti-aging and shockproof electric. EASY TO USE - First remove the wire sheath , just push the orange clip upwards slightly 90, insert the cable and turn off the Switch.Instead of traditional electrical tape and interlaced end connectors, technological innovation reduces wiring time by 70%. CONVENIENT - These wire connectors with 2 ports -4 ports are universal for hard and soft wires. You can use them to control several lights by a switch, 2 inputs 4 outputs. WIDE USAGE - Universal connectors: They are suitable for solid wire with 0.5-6mmand for flexible wire with0.5-6mm .It is widely used in the wiring of buildings where space is limited for all the necessary connections. REUSABLE - Each connection terminal has a detection connection and can also be recycled. Each independent junction shrapnel, different wire managed separately, different diameter can be connected to safety. There is a test hole in each connector surface, Tip: Bilateral pressure rod terminal, connect positive pole, negative pole and power supply ground respectively. Size: 40*24*14.7mm Include: 15* connectors