Features: Fast heating, quality PVC material and thick PU back board are used, the edges are sewn together, waterproof and scratch proof, none leak electricity, and it can be used normally after being wiped with water and other liquids accidentally. Large area heating, built-in high-density heating plate, heating area up to 95%, after hot pressing treatments, ensure uniform and efficient heating. The most favorite are reminder of sitting for a long, the screen flashes, and the machine shuts down automatically in three hours even if you forget to turn it off under emergencies, you can easily cope with it. Three gear temperature regulation, carefully design to meet your different need, low gear: 40 middle gear 45 high gear: 50 . A great gift for your family or friend,warm table mat can be used to sleeping on table, the sole of the foot heats the foot, over the knee, sits on the stool... normally keep warm of your body, and help you in the cold winter. Specifications: Color: Black, Gray(optional) Size: Approx. 80x33cm/8.15x13 inch Power: 150W Voltage: 110V Frequency: 50/60Hz Functions: 3-hour timed shut-down, 3-gear temperature regulation, long sitting reminder, large area heating Plug Type: US Plug Note: Demoed accessories in the picture are not included. Please allow 0-1cm error due to manual measurement.make sure you do not mind before you order. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Heating Desk Mat