Use the environment protective skill, unique freezing, compressor refrigerating and double froth skills, efficiently prevent the damage of heat preservation layer and 150mm extra thick heat preservation body.

Super accurate system, platinum resistance transducer, temperature inside can shift freely from -40°C to -86°C, digital display, easily observe the working status, provided with the function to lock keyboard and to keep code, so as to prevent running parameter from being changed randomly, perfect audible and light alarm system (high and low temperature, low battery, door open, filter screen jam), guarantee a safety storage environment, back-up batteries and alarm lights.

The safety lock can prevent random opening, good heat preservation, automatically locked door design, flexible rack frame, convenient to store materials (standing).