Temperature controlled by PID Micro Processor Controller Dual Display with Safety Alarm from 5ºC above ambient to 70ºC with a sensitivity of ± 0.1ºC in Bare Incubator. Beaded heating elements are placed in ribs at the bottom and sides. Double walled, inside Chamber Stainless Steel & outside mild steel sheet duly powder coated. Door has double glass viewing, wire mesh adjustable trays, to work on 220/230 Volts A.C.