About this item Druability: Internal insulated wiring for enhanced safety. Heavy duty multi-layer construction, water-resistance that enables safe scrubbing Professional reliability: Warms 10-20°F above ambient room temperature. Provides constant temperature to improve vegetable, plant, herb, and flower seed germination Variety of uses: Perfect for seeding, germination, home-brewing, and pet enclosures terrariums, such as those used in reptile, rodent and arachnid Dimensions: 10″x 20″, watt-17. 5W; 20″x 20, watt-48W; 48″x 20″, watt-100W. Length of Power cord-5. 90Ft Package include: 1 pack 10″ x 20″ seedling heat mat