Support telephone line test, line error checkpoint, wiring network engineering monitoring line maintenance. cable tester is simple and easy to use, bring much convenience to you. It is lightweight, easy and convenient to carry and store when not in use without any effort. The simple design will ensure its high performance as excellent network cable tester tool. Features - Material: ABS, electronic components. - Size: 10.00X9.70X2.70cm/3.93X3.81X1.06inch. - Battery: not included battery. - Interface: RJ11/ . - The cable tester can slide freely along the arrow direction, separated and combined into one. - Made by , and , which could be used for very long time. - This network cord tester is very easy and simple to operate, giving you huge convenience. - cable tester can be used to test network wire, telephphone, universal and useful. - The tool is simple and delicate, excellent and reliable, carefully crafted, strong and sturdy. Package list: 1 x network cable tester 1 x manual 1 x packaging box