Helunsi 2 Way Junction Box IP68 Waterproof, it can be installed horizontal and vertical as external junction box to makes the connection more convenient, no tools required, no welding required, only need to connect the same type of wire together, no cable cutting, more convenient and safer. Junction box is good for the place where to need waterproof wiring, such as: LED billboards, tunnel lights, road landscape lighting, outdoor display, garden lights and so on. Product Specifcations Material: Plastic Color: Black Junction Box: 2 Way Junction Box Maximum Voltage: 450V Maximum Current: 24A Waterproof level: IP68 Internal dimensions: L 2.83 x W 1.89 x H 1.26inch. (72x48x32mm) External dimensions: L 5.31 x W 2.72 x H 1.38inch. (135x69x35mm) Available Wire Diameter: imperial units 3/16 to 11/32inch, 11/32 to 15/32inch, 15/32 to 19/32inch (Metric units 5~9mm/9~12mm/12~15mm) Package Content 2 x Waterproof Junction Box 1 x Screwdriver Note: Please allow minor errors due to manual measurement. Thanks for your understanding. Monitors are not calibrated the same, which means the item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard.