Specification Product description NT-F Multi-Purpose Intelligence Network communication wire tracker, Ethernet cable tester and scanner Power source specification The cocurrent, 9V folds the level battery Max operating current Launcher ≤20mA Receiver ≤50mA Signaling from Multi-frequency impulse Signal output level 8Vp-p Signaling distance ≥3km External dimensions Launcher,140*75*30mm,0.11kg Receiver,220*48*32mm,0.11kg Whole set,265*145*50mm,0.7kg.