6 Heat Settings Customize your comfort with your choice of 6 heat settings and you can select to let the pad to run or use the timer to tailor your heat setting for up to 2 hours. The unique meter shows you the readiness of your pad as it heats up. Heat Therapy for Muscle Stiffness After a long, stressful day, its natural to experience stiffness around the neck and shoulders. If left untreated this tightness can cause tension build-up, muscle pain, and headaches. Relax Aching Muscles Heat therapy can increase blood flow and relax tight, aching muscles. You will appreciate the soft fabric and easy to reach and use digital controls. Soothing Heat in 30 Seconds The Heat Heating Pad technology helps provide soothing heat relief in 30 seconds for fast heat and fast relief. Feel the heat therapy work to help increase blood flow to sore areas for muscle relaxation and faster healing. Features: ON/OFF Push Switch; IC controller box with LED indication; 6 temperature levels to adjust(40/104 to 60/140); 4 timer levels to adjust(30/60/90/120min.); Single circuit provides consistent temperature; Fuse inside of controller; Hand and Machine Washable.