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Jaypee, Hotomatic usage is to serve your meal hot and fresh any where & anytime.
It comes with plug-n heat feature which allows you to plug at your desk or wherever you are to give you hot food in just 30-45 minutes with led display.
This lunch box is made of stainless thermosteel & outer covering is made of polypropylene (virgin plastic) which is BPA Free that keeps your food safe.
Lunch Box come with an electric power cord which can be plugged in to heat up its contents. All you need to do is to plug in the cord and your food will be hot to have.