Digital Phone Line Tester - Multi-use RJ11 Digital Phone Line Tester.
Built-in LED indicator allows testing of RJ11 4&6 position phone outlets for common trouble conditions such as dead or open lines, reversed polarity, & AC voltage
Detects dangerous surge in digital or analog phone lines lines
Surge suppression circuit protects against voltage spikes & surges
Tests 2-Line phone systems

Technical Details

Size (LWH): 10 inches, 2.6 inches, 0.1 inches
Product Details
Product Dimensions: 10 x 2.6 x 0.1 inches
Shipping Weight: 0.1 pounds (View shipping rates and policies)
ASIN : B002LFXVN0