Perfect size: Perfect size 30 x 60 cm heating pad warms larger body areas at the same time such as back, neck, shoulders, abdomen, legs or even joints. Unique safety technology: heating pad use PTC heating wire protection system for safety heating. The unique overheating 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 automatically shut down to ensure safety. Temperature control and automatic shut-off: 6 optional heating levels, temperature range from 40 to 60 C. 4 timer modes from 30 to 120 minutes, the heating pad will turn off automatically when the set temperature is reached. Soft flannel and machine washable: The flannel fabric will keep you comfortable while efficiently retaining heat. After removing the controller, the flannel pad is machine washable in water 40 C, hygienic and comfortable. Reassuring: Single circuit provides consistent temperature. WhenThe local temperature of the blanket is too high, the power supply will automatically shut off. Great for you provides safe warming comfort zone.