The BL Series 4-Degree恒温Blast-Proof Refrigerator boasts the following features: The body is made of structural steel plates, treated with corrosion-resistant phosphatizing and painting processes; the inner tank is constructed from SUS304 stainless steel plates, known for their corrosion resistance and long service life, with easy cleaning; it features a high-precision microcomputer temperature control system with a PT100 sensor equipped with a safety fence, ensuring safe and stable operation; a high-brightness digital display screen maintains the internal temperature within 2-8℃ with a precision of 0.1℃; the 4-Degree恒温Blast-Proof Refrigerator has various alarm functions including high and low temperature, sensor fault, and high and low temperature range alarms; the pull-out shelves can be adjusted for height and quantity as needed, with stoppers to prevent accidental removal and falls; the new color scheme, ergonomic design, and easy-to-use operation; foam door bodies with metal handles for comfortable grip; anti-static technology, with copper stranded wires connecting the shell and inner lining, door shell, and door inner lining, and all moving parts inside are made of metal; the entire unit is blast-proof, with explosion-proof (for fans and control panels), intrinsic safety (for display panels), and sealed type (for compressors) electrical components; the refrigerator uses a surface-mounted condenser for stable heat dissipation and reduced impact from dust; equipped with four swivel casters (two with self-locking function), providing easy movement and stable placement; the internal blast-proof fan circulates air, in conjunction with the air duct circulation, to ensure the temperature performance inside; the refrigerator's body is equipped with a lock to prevent unauthorized opening and ensure the safety of stored items.