[product name] chejia dual purpose electric lunch box

[suitable voltage] 12-24v/110v/220v

[product power] 40w

[product frequency] 50/60hz

[temperature up to]-50-90 degrees

[heating principle] built-in ptc constant temperature function

[product function] heat rice, heat milk, heat soup, heat coffee, etc.

[safety function] dual safety protection device to prevent dry burns when off and constant temperature overheat protection to ensure the safety of the entire machine