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PetLibro Granary Automatic Cat Feeder Black, 3 litre

Holds 3 litres and serves up to 6 meals a day, with a 10-second voice call. Runs on USB-C with batteries as backup, which aren't in the box. Dry food only, 2 to 15 mm.

What the label and listing say

Capacity	3 litres of dry food, up to 6 meals a day
Power	USB-C wired, backup batteries not included

Where this came from

Pets at Home product page

Other feeders and fountains

Catit PIXI Cat Fountain White Stainless Steel, 2.5 litre, £36
PetLibro Dockstream Pet Water Fountain, 2.5 litre, £79
PetSafe Healthy Pet Simply Feed Digital Feeder, 5.6 litre, £132