Blue Jay Slip On Knee Support Open Patella w Stabilizers Sm Otoscope Opthalm Replac Heads The Twin Stim which gives Paper Towels The Twin Stim which gives the user the choice of five Modes of TENS and two Modes of EMS * Features include dual channels seven modes timer patient compliance meter new stronger 100 mA output safety amplitude cover sturdy metal belt clip and rubber side railings for maximum handling * Five TENS Modes: Burst Normal Modulation SD1 SD2 * Two EMS Modes: Synchronous Alternate * System includes device lead wires four self adhesive reusable electrodes 9 volt battery hard plastic carrying case and instruction manual * Patient compliance meter can store up to 60 sets of operation manual * Power Source: 9 volt battery * Pulse Width: 50 300 s adjustable * Pulse Rate: 2 150 Hz adjustable * Pulse Ramp: 1 8 seconds * Pulse Amplitude: 100 mA peak into 500 phm load * Contraction Time: 2 90 seconds * Relaxation Time: 2 90 seconds * Wave Form: Asymmetrical Bi Phase Square Pulse * Timer: 1 60 minutes or continuous * One year warranty * Width adjustable 1 1 2 one piece stainless steel handrails HCPC Code: A4467 * Color: black * Designed to provide excellent support to stiff weak or injured knees * Knitted elastic provides moderate compression * Open patella provides additional support * Medial and lateral stays help stabilize the knee * Size: small (12 14 ) * To size measure around the kneecap