Greenlee Paladin PA1576 Data and Link ID and Cable-Checker: * Cable mapping function tests data and phone connection schemes * Identifies cross-over telephone connections * Detects PC (NIC) and HUB data transmissions and PC (NIC) and HUB NLP or FLP link pulse * Identifies data and link transmission speeds with real time detection of 100/10 MB * Automatically scans with choice of slow or fast speeds * Low battery detection on LAN ID tester * Includes: 9V battery, 2 RJ45 patch cords and durable carrying case * 1-year warranty