Digital Moist Heating Pads * Shoulder/neck 23 X 20 * Digital Hand Control Allows Operator To Program And Monitor Temperature/ Treatment Time * Lockout Mode Protects Against Inconsistent Changing Of The Control Settings Throughout Treatment * Allows Patient To Relax And Enjoy Therapy Without The Hassle Of Maintaining Contact With A Hand Held Switch * Moist Heat Therapy Temperatures Range From 113 To 166f (45 To 74c) * Treatment Time Between 1 And 60 Minutes * Specially Designed Flannel Cover For Efficient Moisture Retention * Ul And Cul Classified * 1 Year Warranty On Heating Pads Only