Product details:

The LAN toner kit has the unique feature of sending tone in addition to blinking hub, switch port, and PC activity lights for fast identification. Designed for the network installation and maintenance professional. Use with Datacom, Telecom, security/alarm, audio and CATV. The AT8L toner incorporates a host of features. Two selectable tone outputs for multiple line identification, continuity testing, Polarity identification for fast outlet identification, 8-position modular breakout tabs for testing both Datacom and Telecom. Low battery indication. Automatic shut-off to preserve battery life. Includes AT8L LAN toner, 200GX inductive amplifier, carrying case.