Digital PID controller precisely control set temp-erature within ±0.5℃ and sterilization time in min : sec. Dual LED displays present temperature and set temp ? erature or remaining time simultaneously. Stainless Steel 304 (AISI304) interior, lid and top to protect from corrosion by water and steam. Incoloy heating element, provides long life, resistant to corrosion and high temperature in repeated use.