Adaptoner kit
Wire identification and testing for telephone and LAN systems
Two 9 volt batteries required - not included
Brand name (s) : Tempo Communications

Features
Tone generator and modular breakout adapter combined in a single unit
Works with any 6 or 8 position modular plug on any pair
Selectable fast or slow tone warble rate
Continuity test and talk power supply
Adjustable volume probe with visual indicator
Special probe tip protects against damage to sensitive electronics
Carrying case included
NOT FOR USE ON LIVE ELECTRICAL CIRCUITS