Specifications: Single circuit provides consistent temperature. Stronger heating wire with silicone insulation and thicker multilayer construction offer more uniform heating and durability. The heat wire are high frequency welding for permanently in the heat mat. Providing bottom heat youll increase the germination rate. Increases the success of cuttings, durable construction, waterproof and easy cleaning. Each mat has a handy seed germination guide for many popular flowers and vegetables. Warms root area 10 to 20 degrees over ambient temperature. Increases success of seedlings and cuttings. Lighting, watering, and planting information printed on mat. Item Name: Heat Mat Material: PVC Rated Power: 17.5W Rated Voltage: 110V/220V Plug Type: US/EU/UK/AU Plug Features: Waterproof, Gardening Supplies, Easy to Use Size: 50.8m x 25.4cm/20.00" x 10.00" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Heat Mat 1 x Adapter