Descriptions:Made of ABS, durable for use, and easy to installAlso Dustproof, Anti-UV 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: 69*42*17.5mm(2.72*1.65*0.69inch)(L*W*H)Inner Size: 65*37*12.5mm(2.56*1.46*0.49inch)(L*W*H)Package Content:3 x Junction Box