Power source- AC. 220V/110V, 50~60Hz Heater Plate -150W Thermal cut off - 90+_6C Display- Three digit 0.56 inch, 7 segment LED Temperature monitoring -0-75C Max-temperature of heated plate- 85 C| Heater wire - 22V-, 2.73A, 60W, 50/60Hz Power rate- 220W Alarm- yes Temperature control setting- Invasive mode: Chamber outlet: 35.5-37C, Airway 35-40C Noninvasive Mode: Chamber outlet: -31C, Airway 28-34C Range- 10-70C, Accuracy: +_2C