Perfect size: The heating pad in the perfect size 30 x 60 cm warms larger areas of the body at the same time, such as the back, neck, shoulders, stomach, legs or even joints. Unique security technology: Heating pads use PTC heating wire protection system for safety heating. The unique overheat protection copper wire covers the entire heat pad, the temperature of any part of the heating pad exceeds 60 C / 140 F, the heating pad will turn off automatically to ensure safety. Temperature control and automatic switch-off: 6 optional heating levels, temperature range from 40 to 60 C. 4 timer modes from 30 to 120 minutes, the heating pad switches off automatically when the set temperature is reached. Soft flannel and machine washable: The flannel fabric will keep you in touch with great comfort while retaining heat efficiently. After removing the controller, the flannel pad is machine washable in 40 C water, hygienic and comfortable. Reassuring: Single Circuit provides consistent temperature. If the local temperature of the ceiling is too high, the power supply is automatically switched off. Great for you provides safe warming comfort zone.