Freezer for laboratories (-40) Haier DW-40L508

Five alarm functions: high / low temperature, power outage, sensor error, low battery, high / low ambient temperature. Shelf structure: multi-layer shelf, easy to store and sort. Strong cooling: evaporator in the form of a rack, fast cooling speed. Evaporator rack: evaporation rack, rapid cooling. Multi-layer evaporation racks, fast cooling speed. Smart alarm: human technology, safe service. Two types of alarms maintain storage safety. Double filament tube: improved temperature consistency. Automatic control of the double filament tube to open and close according to ambient temperature, cabinet temperature, and set temperature, ensuring more consistent cabinet temperature.