Tel line tester is a new kind of line fault tester with safety and multi-functions capabilities
DTMF applying to GB/T15279-94
High voltage alarm
Low voltage warning
Last number redial
Special durable test clamp
Automatic power off and energy-save design
Pocket size, simple operation
Besides the functions as a common tel line tester, it also has the functions of high voltage protection and dangerous voltage warning and so on
Dialing, talk and hook
Checking wire pairs
Test insulation or break faults of the line
Pulse/tone switch .
Fiberstore is your reliable supplier of telephone line tester, and all are 100% test before leaving the factory. If you want this high quality and effective Mini Telephone Line Tester Phone Line Tester Telephone Tester at a large quantity, please contact us, we will give you a special discount.