●【HIGH QUALITY MATERIAL】Feature piercing internal tines, soft brass (easy to squeeze) crimp and protective outer cover for long-term wires connecting. ●【SIMPLE INSERTION】Large funnel-entry design allows easy multiple wires insertion - no wire stripping or clean up needed; Compatible with AWG 18-30 gauge wires. ●【CORROSION RESISTANT】Top-notch insulating PVC cover provide a strong, corrosion-free connection for years - durable and not easily damaged. ●【EASY APPLICATION】Blue one for outdoor use (waterproof / corrosion resistant silicone gel filled); Used to create electrical connection between connectors and wires for low voltage, such as telephone, alarm wiring, electrical, telecommunication, networking, and security (CCTV) systems. ●【SATISFACTION GUARANTEE】Cannits B Connectors provide you a dependable connectivity with perfect fit. Our friendly and reliable customer service will respond to you within 24 hours.