1. The function of checking cables: Fast find out the twin cables in need among so many cables in no time (hint of sound, at the same time, has high shine glitter of induction indicator light)

2. Sensitive: Induction distance less than 20mm, strong anti-jamming ability.

3. The function of verifying cable: Can fast test the basic physical connecting feature of open, shor and cross etc (emitter and receiver can show line state at the same time)

4. Cable state testing:
A. Line DC detecting and anode, cathode determinant
B. Bell signal detecting
C. Open, short and cross testing

5. Volume Regulate Function: Accord needing regulate the sound magnitude when using.

6. The function of speed regulating: Choice speed on testing.

7. The function of speed and frequency changing: Choice speed on testing; Choice frequency on looking.

8. Earhphone Function: In the noisy occasion, can draw on it.

9. Current: Emission current¡Ü10mA, receiver current ¡Ü30mA.
10. Appearance: Humanity design, convenient for taking.

11. Save Engergy: Touching switch, anto delay power off, the continue working life is more than fifty hours.

12. Low Battery: Clue on low battery function.

13. Power Supply: DC, 9V terrace battery.

14. Signal Transmit Distance: ¡Ý3km.

15. Security: Safety using (the probe can directly contact bare gold line)

16. Reliability: Design by SCM software watchdog, reliable running.

17: Cubage: 270*165*42mm Weight: 0.350kg

18: Paking: Clolor box + inhale mold + illuminate book