Descriptions: Made of ABS, durable for use, and easy to installAlso Dustproof and Anti-corrosion performance; protect your instruments even under the adverse environment.Suitable for airport, subway station, button box, small terminal, signal chassis, sensor, measuring device, communication junction box and other equipment. Specification: Product Name: Junction BoxOuter Size: 49 x 28 x 14mm / 1.93 x 1.1 x 0.55inch (L*W*H)Inner Size: 46 x 24 x 11mm / 1.81 x 0.94 x 0.43inch (L*W*H) Package Content: 7 x Junction Box