Hisense RB645N4BFE User's Operation Manual page 65

To avoid contamination of food, please respect the
following instructions
Opening the door for long periods can cause a significant
increase of the temperature in the compartments of the
appliance.
Clean regularly surfaces that can come in contact with food
and accessible drainage systems.
Store raw meat and fish in suitable containers in the
refrigerator, so that it is not in contact with or drip onto other
food.
Two-star frozen-food compartments are suitable for storing
pre-frozen food, storing or making icecream and making ice
cubes.
One-, two- and three-star compartments are not suitable for
the freezing of fresh food.
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