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: 125 x 80 x 32mm / 4.92 x 3.15 x 1.26inch (L*W*H)Inner Size: 118 x 73 x 30mm / 4.65 x 2.87 x 1.18inch (L*W*H)Screw installation diameter:2mm/0.08inchPackage Content:1 x Junction Box