Standard incubators provide precise temperature control and uniformity for a range of routine applications, such as cell culture and microbiology. Microbiological incubators are designed for incubation temperatures that are above ambient temperature, typically between 30 and 40 degrees Celsius. A variety of incubator sizes are available, with features that may include:  Decontamination programs to kill microorganisms and prevent contamination;  Locking mechanisms to prevent unauthorized access; Alarms to notify users of potential problems, such as temperature fluctuations or power outages; Digital displays to show the current temperature and other settings;  Transparent doors to allow visual inspection of the contents without heat loss.