Brand newStreamlined design and easy to carryComes with earphones usable in nosey situationFlexible and versatile interfaceSensitive and adjustable volume controlCable Tester for utp stp RJ45 (manual switch)Automatic effort scan for the miss ring, order cable, open and short circuit tel nc test available (Adapter required) remote test cable up to 1000 ft in length protect switch for low consumption.High quality protection case providers more secure protectionJudge continuity of the cabin or wiresTrack or wires, and diagnostics the break point the tone on the cable or wires (telephone line)Identify the state in the working phone line (clear ring, busy)Send a single solid tone or a alternative tone to the object cabin or wiresWorking current: Tester: 10mA : 30mASignal transfer mode: Digital signalSignal output level: 8Vp-pSignal transfer distance: 3KmDimension:Tranter: 126x 49x 34mm: 175x 42x 25mm: by 2 x DC 9V Battery (not included)Colour: redMaterial: plasticPackage Contents:1 * Cable Emitter1 * item 11 Cable1 * Earphone1 * Cable with crocotable ClampOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.