With an extra-long heating area that covers the upper back, shoulders, and neck, this heating pad provides gentle and safe warmth for stressed areas of the body such as the neck and back. The microfleece fabric is soft and cozy, and there are four temperature settings that can be adjusted via an electronic control. It features a detachable controller for easy cleaning, ensuring safe and worry-free use. The heating pad automatically shuts off after 120 minutes for added safety. A convenient magnetic closure makes it easy to put on and prevents slipping. A special sensor cable guarantees safety and prevents overheating. Voltage: 7.4 V, power supply: 100-230 V 50 Hz/8.4 V, power: 100 watts.