Temperature Setting:35℃-42℃ Temperature Accuracy :±1℃ Incremen:±1℃ Optional unit ℃/°F Warming Up time ≤2min Overheat Protection 46℃ Alarm Overheat, low temperature, system error, door open, warming up alarm. Display LED Power Supply Input:100-240V(AC Power),50/60HZ,0.3- 0.7A Output:12V(DC Power) 2.5A