The cryogenic freezer with largest storage capacity and high temperature uniformity provides as an ideal alternative to LN2 storage. The device ensures safety of the samples and operators alike with access control assured by Key (STD models) or RFID BIOGUARD® (plus version). The device features high insulation coefficient with VIP panels. The inner stainless steel AISI 304 chambers offer easy cleaning. Three electronics microprocessor control COLDBRAINTMa ensures superior reliability and redundant security. Complete temperature and alarms are widely displayed in graphical format with full traceability. The device is equipped with New On-Screen Messaging System. The internal memeory stires more than 3 months data and provides electronic data logging. Secure Digital (SD) memory card enables to download and transfer temperature and event log data from freezers to PCs in unalterable format. The freezer is equipped with power failures alarm, low battery alarm, fault conditions and maintenance warnings, back-up battery and remote alarm (4-20 milliamp.