A complete clinic in your hands. Modern, hand held, 6.5" long unit offers sensitive location and stimulation which are independently adjusted with two separate control dials. The pulse frequency is fixed at 10 Hz. A flashing light and sound indicate when detection is made. The spring activated detection probe allows a uniform pressure when searching. The grounding circuit is made by holding the metal plate on the side of the unit or with the hand grounding pole. Accessories include 2 probe tips (2mm 0.08" and 4mm 0.16"), hand ground pole with attached wire, 9 volt battery, carrying case, and instructions.