Sowing heat mat is an perfect 24 hour veggie, herb, and flower to grow faster and safely overwinter. It contains a solid state nichrome heating . This heat mat adheres permanently to your flower pot, forming a solid bond for optimal heat transfer.Single circuit provides consistent temperature.Stronger heating wire with silicon insulation and thicker multilayer construction provide more uniform heating and durability.The heat wire are High frequency welds for standing in the heat mat.Providing soil heat you'll increase the germination rateSowing heat mat for better plant growth and flower seed germination Can be placed in many different sizes of seedling arch.Increases seedling and cuttings success, durable construction, waterproof and easy cleaning.Seedling heat mat for better veggie, herb, and flower seed germinationIncreases the success of seedlings and cuttings.Each mat has a handy seed germination guide for many popular flowers and vegetables.Heats root area 10 to 20 degrees above ambient temperature.Increases success of seedlings and cuttings.Lighting, water, and plant information printed on mattePlug Type: US Plug,it applies to Canada, India, Japan, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Specification:Nominal Power: 17.5 W.Nominal Voltage: 110 VColour:BlackMaterial:PVCSize:50x25cm,Thickness: about 2-3mmPackage Contents:1 * Germination padOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.