This ultra-low temperature freezer delivers fast, energy-efficient cooling with a single-stage compressor and a wide range of -40°F to -123°F, ideal for sensitive laboratory samples. Its ±0.1°C microcomputer control provides ultra-precise temperature stability with real-time monitoring, while customizable audible and visual alarms ensure sample safety alongside a keyed lock for physical security. The compact 28L upright design maximizes space in crowded labs, featuring a 304 stainless steel interior for durability and easy sanitation. Perfect for scientific research, long-term sample preservation, biotech studies, and specialized material testing.