Ultra Low Temperature medical refrigerator, Best protection samples and vaccines Stable ambient temperature Our ultra-low temperature freezing laboratory and hospital sensitive optimal sample storage. The inner tank is equipped with a needle printer and U disk storage as standard. It is suitable for stability test and storage of temperature-sensitive drugs. Model: 150FC~250FC Temperature Fluctuation ≤ ±0.5℃ Temperature Deviation < ±2.0℃ Installed Power: AC220V±10% 50HZ Environment temperature: +5~35℃ Optional: SMS alarm and data storage system