... open every 8, 12, or 24 hours. At each meal time, the cover will open for the first feeding and ... be played to let your pet know it's time to eat.Product Features Four separate large food trays ... open every 8, 12, or 24 hours. At each meal time, the cover will open for the first feeding and ... will remain open until the next programmed feeding time. At the preset time, the dish will cycle to the next full ...