Fangrui Product Details [self Regulation]: Automatic Fish Feeder Are Designed With 8h,12h, 24h, 48h, 72h For Feeding Internal And 1 Or 2 Or 3,4,5 For Required Number Of Feeding Cycles. [large Capacity]: 450ml Capacity, Sealed Design Of Box Cover And The Slot For Desiccant, Featuring Waterproof. [easy Install]: The Aquarium Fish Feeder Is Simple Install And Using, Portable And Practical. [suitable For]: The Fish Feeder Is With Translucent Food Container Is Universal For Forage Under The Size Of 6mm. [wide Applications]: This Vacation Fish Feeder Is Widely Suitable For Conventional Fish Tank, Indoor And Outdoor Tank, Fish Tank, Etc. Power Supply:2 X Aa Batteries(not Included Batteries) Colour:black Material:abs Package Contents: 1 * Feeder Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.