Active Mobile Refrigeration Features & Advantages Never Used, Minor scuffs from storage.VIP insulationHemaLog™ data logging program to monitor payload temperature, ambient temperature, battery status and voltageBroad operating range from -20°C to +49°C (-4°F to +120°F)No ice or coolants requiredForced air convection for optimal circulation of temperature conditioned airTwo user-selectable temperature setpoints:COOL mode: +4°C (+39.2°F)FREEZE mode: -22°C (-7.6°F)Safety alarm to indicate deviation from temperature setpoints48-hour payload tem