Named Best Buy pressure cooker by Americas Test Kitchen and Best of the Test of stovetop pressure cookers by a leading culinary magazine Constructed of highquality stainless steel and compatible with all domestic stoves including gas electric ceramic and induction The DUO is equipped with the highest standard in safety systems that have been tested and approved in the US by UL laboratories The automatic locking handle will securely lock the lid into place when closed Intuitive pressure regulator knob with a HIGH 15psi pressure position a LOW 10psi pressure position a Release position that automatically releases pressure after cooking and a Clean position to remove the knob for cleaning When Pressure Canning a single pressure level of 15psi will be mantained that allows to reach the temperature needed to safely preserve low acid foods Includes a 10Qt Stovetop Pressure Cooker Canner that fits up to Three 3 1Qt Mason Jars or up to Four 4 Pint Mason Jars Stainless Steel Steamer Basket Quick Guide Users Manual and Digital Cookbook with over 50 recipes jars canning rack and other canning tools NOT INCLUDED The unit is not compatible with pressure gauges