cold rolled plate with powder coated painting to ensure anti-corrosion and durability SS304 inner chamber for easy clean. Adjustable and removable stainless steel shelves easy for setting different samples and clean the chamber With 126mm thick polyurethane foam insulation to minimize temperature lose Independent inner doors to minimize cold air leakage Magnetic door seal to ensure optimal sealing of door to fridge Castors wheels for easy relocation when needed Touch screen for easy operation, user rights setting to ensure safety of sample