VIVOSUN Durable Waterproof Seedling Heat Mat 10" x 20.75" UL & MET-Certified Warm Hydroponic Heating Pad for Germination, Indoor Gardening, Greenhouse

Notes:
-For use indoors only.
-For extra effectiveness (and especially in cold environments) add a towel or other insulating fabric under the mat to ensure all the heat is directed upwards.
-A humidity dome is recommended to more accurately control moisture levels for seedlings.
-A thermometer controller is recommended for more precise temperature regulation.
Specs:
-Materials: PVC, Alloy Nikrothal wire and PET film
-Electrical Specs: 18 Watts, 120 Volts
Package Contains:
-1 x Heating Mat
-1 x Storage Bag