Please note, C. Botkin Enterprises cannot be held responsible for the hatchability of eggs or problems that may occur during incubation.  There are far too many factors that affect incubation to guarantee any results from the equipment we distribute.  For more information on product warranty and limitation of liability on Brinsea products, please see the Brinsea website at www.brinsea.com.  For information on the warranty for products manufactured by Kane Mfg, please visit their website at www.kanemfg.com.  Thank you for your interest in our products.