Alarm System Highlights: Audible warm and cold alarms with auto-charge battery backup. Key switch for on/off operation. Large, eary-to-read digital display.  

Control System Highlights: Dependable, electronic controller with adjustable setpoints. Large, easy-to-read digital temperature display. Built-in voltage boost maintains ample power at all times, protects compressor and other components during low voltage conditions.  

Construction Highlights: Cryolatch door latch in upright models provides one-handed operation for easier access to inventory. Adjustable inner shelves on uprights create interior compartments for optimal sample storage. Insulated sub-lids on chest models minimize exposure during lid openings.