iPower 48 x 20.75 Seeding Heat Mat with Thermostat Temperature Adjustable Knob Durable Warm Hydroponic Plant Germination Starting Pad, Black

Seeding heat mat makes a perfect warm germination station for indoor growing. Provides constant temperature to improve vegetable, plant, herb, and flower seed germination. Also can use to brewing beer, tea, yogurt or fermenting kombucha. Features: (1) 20 x 20.75 heat mat. (2) Supple, flexible, the sturdy edge design. (3) Heating film structure ensure uniform heating. (4) Heat mat have a temperature adjustable controller knob, temperature can be adjusted manually. WARNINGS: Fire or electric shock may result from improper use. Make sure that the surface under the mat is free of sharp points or objects that might puncture the mat. Do not place mat inside tray or cover directly with soil or growing medium. Do not place any heat insulating materials over the heat mat, as it may cause it to overheat. NOTE: Although this heating pad is waterproof, but because of its internal circuit structure, it is forbidden to put the heating pad in water to avoid serious consequences; recommended use a wet towel to clean.