Non-contact location of cables with AC voltage._x000D_Checking phase, neutral and earthing conductor at the sockets._x000D_Continuity check, e.g. of fuses, bulbs, etc._x000D_Polarity check, e.g. of batteries._x000D_Display through the LED._x000D_Small and handy._x000D_Because of the super-bright LED, can also be used as a flashlight._x000D_Inclusive 3 replaceable coin cells._x000D_In blister packaging.