Enjoy winter likes summer, No more shoveling, salting or slipping walkways. Dr. Heater DR-101 Plug-in and play heated Rubber Snow Melting mats Prevent snow and ice accumulation around the homes, on outdoor walkways and stairways, driveways, around small business storefronts, at industrial facilities and commercial environments. The mats are made out by high elastic vulcanized styrene butadiene rubber, which has excellent mechanical strength, durability, high elasticity and resistance high and low-temperature characteristics. It's environmentally friendly and flame retardant. Mats can be leaving outside all winter long without any maintenance.120V, 300W, heating area 23*40 inches. DR-101 comes with 10Ft long GFCI Power Cord, DR-009 is for mat only. 5 mats max. allowed for 15Amps circuit. UL listed