Common shapes are nugget/pebble (soft, chewable), bullet-shaped cubes, and square cubes.
Countertop models typically use a built-in water reservoir, a direct hose connection, or a refillable bottle — several listings explicitly list reservoir, hose, and bottle options.
Ice storage capacities vary widely, commonly ranging from about 1 pound up to around 26 pounds. Several listings show capacities in the 2–3 pound range, with at least one listing showing 26 pounds.
Many machines include built-in self-cleaning or automatic cleaning functions. Product details also commonly recommend routine weekly cleaning or descaling to prevent scale buildup.
Controls range from simple push-button or one-button panels to clear control panels and LCD displays. Several models also include indicator lights such as "Add Water" and "Ice Full."
Noise specifications vary by model: some list around 50 dB while others list ≤36 dB. Review summaries frequently note quiet operation for many units.
