Description from Amazon
HeatTrak HCM24-3 Carpeted Snow-Melting Door Mat, 24 Inch by 36 Inch, 120 Volt
Prevent snow and ice accumulation right at your door with this heating entrance mat from HeatTrak. This 24 x 36-inch version has a ribbed carpet surface in charcoal gray, providing your home or business with the look of a stylish high-end welcome mat. It can be left outside for the entire winter season, and it plugs into any standard 120-volt outlet to generate heat to melt snow at a rate of 2-inch per hour. The door mat comes with its own 120-volt power unit.
- Snow-melting door mat; measures 24 x 36 inches
- Ribbed carpet surface provides your home with the look of a stylish high-end welcome mat
- Melts 2 inches of snow per hour; designed to be left outside for the entire winter season
- Includes GFCI power unit with 6-foot cable
- Does not connect to HeatTrak residential stair mats or residential walkway mats