Tens Unit Dual Channel 3 Mode w Timer Bariatric Crutches Standard 250 Lb 8975 Standard 250 Lb 1 2009 M L 1 pr * (1) Certi Strips Heavy Weight Woven 1 x 3 100 box * (1) Certi Strips Heavy Weight Woven Knuckle 25 box * (1) Certi Strips Heavy Weight Woven Fingertip 25 box * (1) Certi Strips Heavy Weight Woven XLG 25 box * (1) AntiMicrobial Towelettes 5 x 8 25 box * (1) Alcohol Wipe Ups 1 x 2 50 box * (1) Antiseptic BZK Spray 3 oz * (1) Peroxide Hydrogen Spray 3 oz * (1) Elastic Bandage (Ace Style) 2 x 5 yds * (1) Certi Rip Elastic Bandage Tan 3 x 5 yds * (1) Certi Rip Elastic Bandage Tan 4 x 5 yds * (1) Eye Cup plastic oval 6 pk * (1) Eye Wash w cup ANSI Z308 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