Detects dial tone and polarity, places and receives calls, indicates line voltage and current, and has a speaker for hands-free listening during testing of telephone lines
Available with various line cord connectors to suit specific applications
Built-in analog tone generator sends a signal through wires for locating and tracing wires with a probe (sold separately)
Monitors lines without disrupting service, remaining on hook if data is detected, and stores up to ten 23-digit numbers which can be speed-dialed via the keypad
Keypad has standard dialing keys and function keys, plus a large LCD for viewing test status

Technical Details

Size (LWH): 7 inches, 5.5 inches, 1.3 inches
Product Details
Product Dimensions: 7 x 5.5 x 1.3 inches
Shipping Weight: 1.9 pounds (View shipping rates and policies)
ASIN : B000FPF43I