Product size - The inner size of this plastic junction box is 5.1 inches x 5.1 inches x 3.3 inches. The outer size: 6 x 6 x 3.5 inches. Aluminum DIN rail - This plastic engineering box is equipped with an aluminum DIN rail, which is convenient for installing some common electrical products such as switches, , relays, , contactors, etc. IP67 Waterproof - This outdoor electrical box is weatherproof and IP67 waterproof, which makes the plastic box have excellent waterproof and dustproof performance. The built-in water seal can effectively prevent water from entering. Application - This outdoor junction box is suitable for electronics, power supplies, for devices, water pump controllers, home DIY projects, ships, etc. In addition, it can receive WiFi signals well., Manufacturer: Fuhjythy