Give Your Seeds, Seedlings & Young Plants A Fantastic Growing Environment So You Get The Most Beautiful Of Flowers & The Healthiest Of Harvests Of Vegetables & Herbs.all You Have To Do Is Plug Into The Socket!perfect To Position On A Windowsill You Can Raise Your Young Plants From The Comfort Of Your Own Home. You Simply Plug Your Propagator Base Into The Mains, & The Propagator Raises Compost Temperatures By 8°c (14.4°f). This Boosts The Roots Which Boosts The Stems & The Leaves.comes With Three Roomy Seed Trays 23cm (9in) X 17cm (6 ½ In) That Fit Perfectly Into The Base. Seed Trays Have High-domed Lids With Easy Open-close Vents To Regulate The Air Temperature & Humidity Of Seedlings & Young Plants. Too Much Condensation? Open The Vent. Chilly In The Room? Close The Vent.while Raising Seedlings Directly On Windowsills Can Often Provide Ideal Light Conditions For Successful Propagation, They Can Also Be Cool & Draughty.not With This Electric Propagator. Your Young Plants Are Treated To A Controlled & Predictable Soil Temperature. So Your Hard-working Plants Don’t Get Any Unwanted & Potentially Damaging Environmental Shocks.fits Perfectly On A Windowsillworks By Activating 13-watt Carbon-fibre Elements To Distribute Heat Evenly To The Compost & Raise The Temperature By 8°c (14.4°f).dimensions: 76cm (30in) L, 18.5cm (7 ½ In) W, 20.5cm (8in) H