S.T. International Auto Fish Feeder Never worry about your fish dying from feeders run solely on batteries that diminish in power and rust from aquarium humidity Micro-computer chip controlledconvenient and easy to use Suitable for variety of foodpellets, flakes or freeze-dried treats--and has a special food drum heating design to keep food dry and prevent clogging Program options to feed every 3, 4, 6, 8, 12, 24, or 48 hours Comes in three attractive color designs--Black, Red, or Gold