Used for about half a year (selling because I switched to a larger model as I got more cats). Generally lasts about a week for two cats weighing 3-4 kg each. It was very accurate and operated stably. (MiawMiaw dry food, small pieces) Cordless & AC powered (2-way power supply) Safe even during power outages. Smartphone remote control You can feed your cats even when you're away from home. 4-layer freshness preservation Stainless steel bowl 2L White For more details on the device, see here: https://www.amazon.co.jp/dp/B0CJ29T86N