- Tests the following types of cables: RJ45 Network LAN、 USB A/B cable、 and?RJ11 Telephone?(via an included accessory)、 - Powered by a single 9V battery- Auto test feature- Battery-free terminator with test display?LEDs                                                                                                                                Dimensions: 5.31 in x 2.76 in x 1.18 in<br />Weight: 5.89 oz