Simple voltage tester, Emos, 12–400 V AC/DC, 12 V, 24 V, 50 V, 120 V, 230 V, 400 V, 0-60 Hz

Tester suitable for live and non-live portions of a circuit as a detector of the presence of voltage. Simply apply the tester on the contact and you will immediately know whether you can work with the circuit or whether it is live.