Whirlpool RZAV21T is a modern appliance that will help you to store your food fresh for a long time. The "Fast Freeze" function will allow you to quickly freeze your food, preserving its taste and nutritional value. The adjustable temperature control knob allows you to set the optimal temperature for your food. The warning light will let you know if the temperature in the freezer is rising too much, so you can take action to prevent your food from spoiling. The appliance is also equipped with a power supply indicator light, so you can always be sure that it is operating properly.