Outside Size: 272 x 138 x 213mm / 10.71 x 5.43 x 8.39inch (L*W*H). Inside Size: 266 x 128 x 200mm / 10.47 x 5.04 x 7.87inch (L*W*H). Made of Iron, durable for use, and easy to install. Package Content: 1 x Junction Box,Some Screws. Suitable for airport, subway station, button box, small terminal, signal chassis, sensor, measuring device, communication junction box and other equipment..
