Reliability matters more than novelty
A feeder is useful only when it dispenses consistently.
Power backup
Battery backup can help during short power interruptions.
Cleaning access
Food-contact parts should be removable or cleanable according to the manufacturer.
Do not use automation to ignore health changes
Appetite or feeding changes can warrant veterinary attention.
General product-selection information only. A pet's health, anatomy, mobility, breathing and behaviour can change what equipment is appropriate. Follow product directions and ask a veterinarian or qualified animal-care professional when those issues matter.