Eheim Automatic Feeding Unit Great For Everyday Use Whether You Are Home Or Away Set It And Let If Feed Your Fish Everyday.Packing dimensions(Width) 2.7 inch,Packing dimensions(Height) 5.87 inch,Packing dimensions(Depth) 3.43 inch Convenient worry-free feeding for healthy fish Easy To Set Up And Use And Includes Easy Start Guide Integrated Fan And Ventilation System Keeps The Food Dry