Descriptions: Made of ABS, durable for use, and easy to installAlso Dustproof, 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: 46*35*24mm(1.81*1.38*0.94inch)(L*W*H)Inner Size: 42*31*22mm(1.65*1.22*0.87inch)(L*W*H) Package Content: 7 x Junction Box