Kryolab -40°C has a temperature chart recorder . Kryolab deliver comfort, convenience and safety. Inner lamp, door open courtesy light for chest model only. It has baskets or drawers. Digital display temperature indicator/regulator . Temperature LED indicator . It has safety key lock. Standard Equipment for Kryolab . It is alarm system and safety key lock. External thermostat for the temperature control and external electronic digital indicator for the temperature visualization.