The Vitopod Propagator Has Recently Been Voted Best Buy By Bbc Gardeners World Maintaining Its Position As One Of The Most Popular And Widely Acclaimed Heated Propagators On The Market. offers More Control Than Any Other Propagator - Temperature Adjustable To 1c Within A Range Of 5c To 30cnew And Improved Thermostat Controller With A Large Display And Push Button Controlsadd Height With Layers For The Various Plant Growth Stagesgenerously Sized Air Ventsseveral Size Options Available:single Length Total Wattage 50 Wattsdouble Length Total Wattage 100 Wattssingle Length, Single Layer (56cm L X 55cm W X 24cm H)single Length, Double Layer (56cm L X 55cm W X 39cm H)double Length, Single Layer (111cm L X 58cm W X 24cm H)double Length, Double Layer (111cm L X 58cm W X 39cm H)single Length Height Extension (56cm L X 55cm W X 15cm H)double Length Height Extension (111cm L X 58cm W X 15cm H)plug Lead Length Approx 90cm.