What's in the box:

Professional RJ45 USB Network Cable Wire Tester Network LAN Detector Tracker Networking Tool (Standard)

Features:
Use for testing your Ethernet patch cables to make sure they are in working order prior to connecting to your devices.
Support network RJ-45 cable Continuity Tester. This tester also tests BNC network cables.
It can be used to test UTP cable (RJ-45 connector) and USB signal wire.
It can distinguish which wire is connected well, out of sequence, short circuit and open circuit. Keep your network running smoothly.
This tester can test USB interface, USB common interface and USB print interface.
LED Display: Easy to read datas and find problems.

Specifications:
Material: Plastic
Power: DC 9V laminated cell(Not included)
Test cable: USB [print cable], RJ45 [network cable], switch port
Package size: 16*11.5*3.5CM
Package weight: 140g

Package list:
1xNetwork Cable RJ45 USB Tester