General information for all models: Cooling temperature is adjustable from -9 to -30 °C Digital temperature display Resolution: 0.1 °C (to -19.9 °C) or 1 °C (from -20 °C) With static cooling Temperature constancy ±5.0 K Operation via three keys, self-explanatory/language-supported menu flow, nine languages available Memory for min./max. temperatures, recording duration 999 h or 42 d. With the option to reset the time and min./max. temperature for a new recording (after checking the temperatures) Feedthrough for external sensors (Ø 10 mm) With lockable door With alarm relay, potential-free contact There are additional transport costs for delivery to the point of use. We are happy to provide you with these on request. Deep freezer Performance SFFsg series Models with drawers Delivery incl. drawers.