The Garland Top 10 electric propagator features automatic thermostatic control, to maintain the even compost temperature of 19C (67F) required for propagation. The propagator base transfers a gentle heat to the 10 mini seed trays, each with a rigid cover and individual ventilation adjustment, allowing you to create the ideal environment for propagation in each unit. Separate power indicator light and heat on indicator light. Heated L 59.5cm (24") x W 41cm (16") x H 14.5cm (6" ) 230 volt 50 watt electric propagation tray provides sufficient bottom heat for each of the individual units which may contain any variety of seedlings or cuttings you wish. instructions are supplied. 12 months manufacturers guarantee.