Biobase BXC-V650M has audible and visual alarm for: High and low temperature, System & sensor failure, Door ajar, Power failure alarm, low backup battery alarm. Its features are, high efficiency air-cooled condenser, made of copper, 10 Adjustable shelves made of high quality steel wire, Microprocessor control panel, Large digital display for ease of observation, Cold-rolled steel coated with anti-bacteria powder, Specialized refrigeration system using whisper quiet fan and compressor.