Pointer-Plus LT Hand Held Stimulator. The Pointer Plus LT Stimulator is a complete clinic in your hands. Modern, hand held, 6.5" long unit offers accurate acupuncture point stimulation with adjustable intensity dial. The pulse frequency is fixed at 10 Hz. The grounding circuit is made by holding the metal plate on the side of the unit or with the hand grounding pole. Specifications: Output Channels One Frequency 10 Hz (fixed) Volts and Current 0 to 22.5 volts, 0 to 45 milliamps Pulse Width 260 Microseconds(S) Pulse Shape Asymmetric biphasic square wave Pulse Modes Continuous Skin Impedance Monitoring Sound and light indication Frequency Indicator Flashing green light Power Source 9 Volt Battery Size, Weight, Color 6.5 x 1.3 x 0.9, 86gm, Blue and White Accessories: 2mm (0.08) Ear Probe Tip 4mm (0.16) Body Probe Tip Hand Grounding Pole with Attached Wire 9V Battery Carrying Case Instructions