Capacity: AF-250/AF-250B: 250ml; AF-500/AF-500B: 500ml Item: Automatic Fish Feeder\r Powered by: 3 x AA batteries\r Shell material: ABS\r High quality, brand new\r Size: Approx. 12.5*6*9.5cm\r Features:\r Timer feeding: This automatic fish feeder has 3 different timer setting modes, and the B series up to 6 feedings per day. Both feeding times can be freely selected.\r Automatic fish feeder installation: Attach the feeder to the tank wall using the holder on the tank lid.\r Feeds all types of fish food, including flakes, pellets, powders and strips. Perfect for home fish ponds and aquariums. Can feed most pet fish, turtles, etc.\r Adjustable clamp, maximum 15mm thick glass can be clamped.\r \r \r Package includes:\r 1 x Automatic Fish Feeder\r \r Note:\r 1. Due to light and screen effects, the colors may be slightly different.\r 2. Please allow slight size error due to manual measurement. Thanks for your understanding!