Bewinner S-4

1. Automatic system: FSK/DTMF call information is automatically identified and displayed. Very comfortable to use. 2. Superior Performance: The telephone line tester has FSK max 8 bits 57 groups 12 bits 44 groups. Convenient and practical/ 3. Number Display: Phone Rear Test Tester has a maximum DTMF of 8 bits, group 65, 12 bits, group 49. 4. MULTIFUNCTION:This line installer tool cable set has the playback function of the last group dial number. 5. Time Display: The phone tester has real-time date and time display. Comfortable to use. 6. Practical use: when there is a problem with the phone line, staff can check the line with a machine. Specification: Item Type: Telephone Line Tester Material: ABS Model No.: S-4 Color: Dark Grey Functions: Caller, Caller ID, Line Detection How to use: Plug and Play Packing List: 1 x Phone 1 x Tieline 1 x Description Notice: Please note that the new type and old type of this product will be shipped randomly, and make sure you do not mind before ordering.