RJ45 RJ11 RJ12 LAN Wire Ethernet Cable TesterBattery Not I

Automatically run all tests and inspections to find problem shorts, open wires, cross-wiring, and other wiring incidents. 100% Item new network cable tester, visible LED status display.
The easy-to-read LED display shows the problem. Handheld and easy to carry.
It is used to test your self-made Ethernet wiring cable to make sure it works normally before connecting to your device. Test RJ45 cables, RJ11 telephone lines and network cables.
A 9V battery is required (not included in the scope of supply). It is recommended to rep the battery.
Features:It can easily distinguish cable, continuity, open and short;Verify the cable continuity through the remote control kit, open, short wire and crossover wire pair up to 1000 feet (about 3.0 meters).

specification:
Main test: 1-2-3-4-5-6-7-8-G
Remote control test:
1-2-3-4-5-6-7-8-G ----RJ45
1-2-3-4-5-6 ------------RJ12
2-3-4-5------------------RJ11
RJ45 RJ11 Cat-5 Cat-6 cable test: power switch (S-level slow test, S-level fast test.) If all cables are available, the light will change from NO.1&2 to green. If any lights do not turn on or do not turn on continuously, the cable is broken.
The following is an abnormal connection:
If a cable, such as cable No. 3, has an open circuit, the two No. 3 lights of the main tester and the remote tester will not be able to turn on. If multiple cables are not connected, multiple lights will not turn on separately.
If less than two cables are connected, no lights will appear.
If there is a fault at both ends of the cable, such as NO. 2 4, then display:
If the two cables are short-circuited, the corresponding lights will not turn on on the remote control, and the main tester will remain unchanged.
If three cables, including three cables, are short-circuited, the corresponding lights will not light up. If testing a terminal block or wall socket, connect two cables (RJ45) to the tester.
colour: yellow
Material: ABS
size: 104 x 97mm

Package Contents:
1 * Yellow Network Cable Tester
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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