Heavy duty construction includes white coated aluminum or stainless steel interior walls and black or white powder coated steel for exterior 2 dual-pane tempered glass swing doors self close to save energy 8 epoxy-coated adjustable steel shelves each holds up to 90lb.Of weight bright interior led lighting designed temperature range 33 to 40 fahrenheit easy to use digital temperature controls bottom mounted compressor or unit for easy maintenance lock mounted glass doors to keep food safety auto defrosting system r290 gas eco-friendly product specification product name: cooler capacity cu.Ft liter 31 880 exterior dimensions: 51*27.4*78.9 Net weight lbs kg : 260 118 foot: 4 casters door type: 2 doors swing light: led shelves: 8 input: ac110v 60hz amps:6.5A compressor hp : 1 3hp refrigerant: r290 range of temperature: 33-40 f kind reminder: due to the large size of the product and inconvenient transportation once the order has been shipped we only accept the return requests due to quality issues. Hope you can understand.