Features: Make of ABS materials which is not only strong, Enduring and flexible. These outdoor wire nuts can bear maximums voltages of up to 600V, which reduces fire risk and protects your wire using. The waterproof wire nuts for outdoor light adopts waterproof designs which is weatherproof, moistureproof and anticorrosion, can be exposed to condensation, water, steam or dust. No pre-twisting required,you just need to put wire ends into the waterproof wire nut caps, and then twist the caps. This waterproof wire nuts connectors is suitable for outdoor or electrical wire splices. Widely used in outdoor landscape lighting, building and construction applications, automotive applications, irrigation applications, wet location and other external wiring systems. Specifications: Materials: ABS Size: about 2.4x1.4cm/0.95x0.55inch; 2.3x1.2cm/0.91x0.47inch Package Includes: 15Pcs Blue Wire Electrical Connectors 15Pcs Black Wire Electrical Connectors note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.