Hello, This is a Showa-retro air pot. I haven't checked it with water. It's unused, but it's old, so thank you for your understanding. Capacity: 2.24 liters Maintains above 63 degrees Celsius for 24 hours Maintains above 78 degrees Celsius for 10 hours Height: Approximately 34 cm For everyday use, For camping, for barbecues, For outings, How about it? Thank you very much (^^)