Esky 5-Meal Remote Controlled Programmable Portion Control Automatic Dog and Cat Feeder w/ LCD Display (Grey white, 10L/4.5kg) Capable of remote control operation within 10-15m range. Large capacity: max. 10L/4.5kg. Programmable portion control (from 1 cup to 12 cups) and feeding schedule (1 to 5 times per day). Easy to program and manual feeding is available with the remote. Capable of memorizing user-preferred settings. AC powered and no batteries required.Please note this device is non-rechargeable and needs to be plugged in for power.