VEVOR 48"x 20.75" Seedling Heat Mat w/ Digital Thermostat Combo Set,MET-Listed Heating Pad for Seed Starting, Waterproof Seed Mats for Germination, Indoor Gardening, Hydroponic, Greenhouse, 1 PackTailored for Home PlantingConsistently Uniform HeatingPrecise Temperature ControlDurable and SecureFits Standard Growth TraysVersatile ApplicationsPower Cord Length: 5.71 ft / 174 cm,Operating Temperature: 32-104°F (0~40℃),Control Method: Thermostat,Item Model Number: TK-SHKY,Quantity: 1,Item Dimensions: 20.75 x 48 in / 52.7 x 121.92 cm,Rated Power: 100W±10%,Main Material: PVC,Item Weight: 2.65 lbs / 1.2 kg,Power Supply: AC120V 60Hz