Find the network cable, telephone lines, video cable, car circuit, under the strong electric state metal cable. 
 Can test the polarity of the telephone line connectivity 
 Two crocodile clip, and an RJ11 interface for direct connection to the telephone line 
 Quickly find the need to find the pair of lines in the line of many disorders 

 An the RG45 interface quickly complete test of the linear order and easy to find the cable. 
 High audio amplitude level, suitable for long-distance cable positioning. 
 Check the calibration network cable continued the line is connected correctly 
 Your construction and maintenance of basic 
 Tools installed Qi, relieve you of tools scattered to bring trouble. 
 Using a 9V battery 

 Maximum operating current: transmitter: ≤ 10MA, receiver: ≤ 30MA 
 Signal transmission formats: multi-frequency pulse 
 Signal spread level: 8vp-p 
 Signal transmission distance: ≥ 3km 
 Overall dimensions: transmitter: 126 × 49 × 34mm; receiver: 175 × 42 × 27mm; whole set: 270 × 170 × 50mm 

 Accessories Description: 

 Transmitter: 1; receiver: 1; 3.9V laminated battery: 2; Headset: 1; alligator clip adapter cable: 1; 6.RJ11 adapter cable: 1; 7.RJ45 adapter cable: 1; 8. manual: 2 copies (in English); blister: 1; 10. box: 1.