Aluminum DIN Rail: This plastic engineering box is equipped with an aluminum DIN rail, which is convenient for you to install some common electrical products such as switches, circuit breakers, relays, timers, contactors, etc. IP67 Waterproof This outdoor electrical box is weatherproof and IP67 waterproof, which makes the plastic box excellent waterproof and dustproof performance. The built-in water seal can effectively prevent water from entering. Product Size The inner size of this plastic junction box is 5.1" x 5.1" x 3.3". The outer size: 6 x 6 x 3.5 inches. Application: this outdoor junction box is suitable for electronic devices, power supplies, devices, water controllers, home DIY projects, boats, etc. In addition, it can receive WiFi signals well., Weight: 1.21033781838 Pounds, Manufacturer: Faeymth