Presto 12 Qt Electric Pressure CannerAutomated for simple home canning.No adjustments needed for pressure canning at high altitudes.Doubles as a boiling water canner for preserving fruits, jams, jellies, and salsa.Innovative sensor automatically detects and holds the exact temperature for the required time for safe home canningDigital interface guides user through each canning methodLED display icons illuminate each step from start to completion.Includes recipes with standard processing times in accordance with USDA guidelinesPreheats jars and keeps them hot until each jar is filled.Ten built-in safety features including cover locking systemIncludes instruction/recipe book, quickstart guide, and canning rack.