JBL AutoFood Black is a automatic feeder for all aquarium fish. Up to four feeding per day with individual food quantities can be setted. A holder with suction cups and a holder for the aquarium glass wall is included. The volume can be increased up to approx. 375 ml by srewing a 250 ml food container on the unit. An integrated opener cuts the sealing foil of the food container automatically.JBL AutoFood Black automatic aquarium feeder+ attractive black/transparent design+ 125 ml contents - or 375 ml with screw-on 250 ml food container+ suitable for all granulates up to 3 mm+ guaranteed operation with batteries (3 x 1.5 V AA included)+ with air connection to keep food dry+ easy setting for up to 4 feeds per day+ individual food quantitiy+ 3 year guarantee+ Dimensions: 18 cm lenght, 8.5 cm height (without food container)+ holder for glass thickness up to 28 mm+ food opening 27x20 mm+ integrated opener to cut the sealing foil of the food container+ feeder on mountin clip can be turned an