?< Weight:460g Dimensions:8.27in*5.32in*0.98in(21cm*13.5cm*2.5cm) Brand:Smart Mouse Model:NF-168 Quantity:1 Color:Red Features: 1.Breaking the defect of the traditional wire trackers for the poor anti-interference and loud noise. 2.Endurable high pressure 3.Lines can be hunted directly in connection with Ethernet switch /routr/PC terminal in startup status. 4.To find the network/Telephone/USB lines and other metal cables under weak current situation. 5.Locating the wire circuit directly when connected with switch. 6.Earphone and backlight help you operate in dark. 7.Low voltage indication Packing List: 1x Wire Tracker Emitter 1x Wire Tracker Receiver 1x Earphone 3x Wire Cable