Features: 100% brand new and high quality This is a multi-functional handheld cable testing tool. It has wide application with reinforced cable types and mulitiple functions which is a necessary testing tool for telecommunication engineering wiring engineering and network maintenance personnel. Specifications: Wire track: Directly track wire type: RJ45RJ11;Track other wire through the attachment sequence collation: Open circuit short circuit detection of cable line sequence Network wire collation: Test device used with UTP (Unshield Twisted Pair) and STP (Shield twisted Pair) wiring;Tests for open circuits shorts miswires reversals and split pairs;Allow one person to test T568A T568B 10Base-T and Token Ring. Switch port collation: detection switch connected condition General. Telephone line test: Identify the state of working telephone line(clearringbusy) DC level test: DC level test. Continuity: Judge continuity of the cables or wires. Receiver Power Supply: 1 * 9V 6LR61(Not included) Emitter Power Supply: 6 * 1.5V AAA LRO3(Not included) Category: CE CAT.III 600V RoHS Material: Plastic Main Color: Black Bag Size: approx. 22 x 14 x 4.5cm Net Weight: 372g Package includes: 1 * MS6816R Receiver 1 * MS6816T Emitter 1 * Headphone Cable 2 * Test Cables 1 * Canvas bag