The Benning VT2 in pen form is ideal for quick and easy phase testing on sockets, junction boxes, switches and lamps. With the VT2 you can locate broken cables and defective lamps in fairy lights and insulated lines. The Benning VT 2 has an integrated test magnet and is suitable for testing solenoid valves in pneumatic and hydraulic systems, heating systems, pumps and relays in vehicles, machines, devices and controls.