Feature:
1. Automatic System: FSK/DTMF Call information is automatically identified and displayed. Very convenient to use.
2. Superior Performance: Telephone line tester has FSK maximum 8 bit 57 group 12 bit 44 group. Convenient and practical/
3. Number Display: Telephone butt test tester has DTMF maximum 8 bit group 65 12‑bit group 49.
4. Multifunction: This lineman tool cable set has last group dial number replay function.
5. Time Display: The telephone tester has real time date and time display. Convenient to use.

How to Use:
Plug and Play

Specification:

Item Type: Telephone Line Tester
Material: ABS
Model: S-4
Colour: Light Grey
Functions: Call, Caller ID, Line Detection

Package List:
1 x Telephone
1 x Tieline
1 x Description