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: 100 x 60 x 30mm / 3.94 x 2.36 x 1.18inch (L*W*H)Inner Size: 97 x 56 x 26mm / 3.82 x 2.2 x 1.02inch (L*W*H)Screw installation diameter:2mm/0.08inchPackage Content:1 x Junction Box