Features: Fishtank automatic feeder, timing automatic fish feeder, Aquariums fish feed automatic feeding Regular quantitative, scientific feeding, suitable for variety of fish food. Intelligent feedingperfect for your busy lifestyle. Accurate timing and controllable delivery portion. This automatic fish feeder is also addition of the aesthetic of your Aquariums. Specifications: Component: Plastic Size of 500Z or 500Y: Approx.6.18x2.76x5.31inch Size of 250Z or 250Y: Approx.12x5.7x11cm or 4.72x2.24x4.33inch Type: 500Z Light or 500Y LCD Display or 250Z Light or 250Y LCD Display Powered by: 3pcs 2ABatteriesnot included Quantity: 1 Pc Package Includes: 1 pc Automatic Fish Feeder note: 1.Please allow 1-2cm errors due to manual measurement, note that you donot mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.