Temperature Stability: Engineered to maintain a steady temperature range (2oC - 8oC)(36oF - 46oF), Internal Forced Air Fan: Ensures even cooling from top to bottom, Integrated Temperature Logger: Tracks refrigerator readings, a simple and definitive solution to accurate air temperature monitoring, High/Low Alarm: Alarm sounds when fridge air temperature rises or falls of set range, Keyed Door Lock: Ensures ultimate temperature control and product safety