... can be used in scientific research,such as ultra-low temperature test for special materials,the freezing and ... alarm system, responsing promptly to deviation of temperature, low battery, opening door, filter jam, and system malfunction ... mm940x840x1552940x840x1999940X840X1999940X840X1999Int. Demension(DxWxH) mm470x582x753450x580x1200450X740X1200/Weight(Kg)225320320320 Ultra Low Temperature Freezers