Tens Unit Dual Channel 3 Mode w Timer Body Positioners Type: ACMNP 1 85180 Type: ACMNP 1 5 13 up to 29cm * The Form Fit Shoulder Brace is designed to provide immobilization following shoulder injury surgery * With its streamlined fit sporty look and breathability it offers excellent comfort and ease of use * Same as its predecessor the SmartSling© the Form Fit Shoulder Brace also provides abduction of the shoulder (when the abduction pillow is attached) or external rotation of the shoulder (when the external rotation pillow is attached) * Optional axilla pillow (#SSAXP) helps distribute weight over a larger surface area and decreases pressure on the ulnar nerve 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