Most cat feeders use a digital mechanism powered by AA batteries. Depending on the type of feeder you buy, the timer mechanism can be configured to dispense food once, twice or three times per day over one or more days.
This means you can use a two meal cat feeder to dispense food once per day for a weekend or twice per day for a single day. Other feeders with other capacities can be similarly configured.
They are the perfect answer to feeding your cat on their schedule without interrupting yours!