Ideal for short weekends or days away from home, the C20 serves 1 or 2 fresh or dry meals at any required times over a maximum period of 48 hours. Two separate full size (1lb/450g) meals may be served individually, or both at once for two pets. The ice pack supplied helps keep food fresh. Two independent 48 hour battery operated timers. Meals served at the time you set (not fixed intervals). Reliable and accurate quartz timers. Over 1 years continuous use from 1 x AA battery. Battery condition indicator. Easy clean, dishwasher proof lids/bowls. Tamper resistant to pets. Suitable for cats and small dogs.