MINI RJ11 + RJ45 Dual-use Network Cable Tester

1) Quickly and easily checks network cables 2) Checks open and short terminals, straight through or crossover wiring types 3) Ideal for 1.T enthusiasts who with to make their own network cables 4) Push-button switch, with the jump to light speed button operability strong 5) RJ45 twisted pair , RJ11 telephone line can be tested 6) Size: 11.2x10x2.2cm 7) Weight: 103g