Specification: Item Type: Underwater Junction BoxMaterial: PlasticWeight: Approx. 145g / 5.1ozInner Diameter: Approx. 2.8cm / 1.1inColor: WhiteProduct Size: Approx. 10x10cm / 3.9x3.9inProduct Use: This kind of junction box is usually used to connect the underwater lighting of the swimming pool. It is easy to install and replace. It is an excellent tool for replacing worn or damaged. Package List: 1 x Underwater Junction Box Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.