Offset Cane Alum w Gel Grip Blue Crackle Cold Hot Therapy Packs System includes device lead wires 416700 System includes device lead wires four self adhesive reusable electrodes 9V battery hard plastic carrying case and instruction manual * 3 Modes: Standard Modulate and Burst * Dual Channel * 30 and 60 minutes or continuous timer * Adjustable Pulse Width: 50 250 Microseconds * Pulse Rate: 2 150 Hz * Pulse Amplitude: 0 80 mA each channel * Waveform: Asymmetrical biphasic square pulse * One year warranty * FDA approved Ergonomic hand held device for objectively quantifying muscle strength * The test is performed with the clinician applying force to the limb of a patient * The objective of the test is for the clinician to overcome or break the patient s resistance * The MMT records the peak force and the time required to achieve the break providing reliable accurate and stable muscle strength readings that conform to most manual muscle testing protocols * Features a wide range of customizable options for data storage preset test times and force thresholds * Size: 3 Blue crackle * Handle height adjusts from 28 5 to 38 * Comes standard with wrist strap * Manufactured with sturdy 1 diameter anodized extruded aluminum tubing * Metal (lock nut) silencer * 300 lb