[Precise temperature control] When automatically conversion of the cooling and heating mode, retain the optimum conditions [Versatile control] Wide temperature range from -50 ℃ to 110 ℃ with ± 1 ℃ accuracy [Simple] Simple mode change for fast and efficient temperature control [Sustainable construction] Stable and ABS coverage for long-term performance [Alarm system] Aanvable and visual warnings for temperature alarms and sensor problems