【4 Electrical Junction Boxes】: 3-terminal electrical junction box size: 64 mm x 41.5 mm / 2.52 inches x 1.63 inches, rated load: 13 A 250 V. There are 4 in total, enough to meet the needs of household and daily electrical use. 【PC Material and Good Insulation】: The waterproof junction boxes are made of high-quality PC material, which is sturdy and durable, not easy to deform or crack, anti-aging, good insulation, and can withstand regular use in various electrical applications. 【Ensures a Secure Connection】: The waterproof junction box ensures a secure and reliable connection, improving the safety of your electrical installation. As long as the handles are properly tightened, the cable is almost as strong as without a junction box at all, which is safer than electrical tape. 【Easy to Use】: The mini junction box is easy to install and can accommodate 2 and 3 conductors in round or flat profile cables, providing an ideal solution for your electrical projects. When attaching the screws, ensure they are tight and do not leak. 【Wide Application】: The white junction boxes are suitable for various electrical projects, including household wiring, cable management, and more. They are widely used in lighting, power, and automotive wiring, suitable for motors, electronic controls, power supplies, household appliances, and mechanical wire connectors.