<b>Specifications:</b> <br> Model:AF-2009D /AF-2003D<br> Housing: Plastic <br> Type of battery: 2*AAA 1.5V batteries batteries <br> Attachment Method: retaining clips or Velcro fixed <br> Unit dimensions (approx.):4.3*4*2.5 inch (11*10*7cm) <br> LCD screen dimensions (approx.):1.1*0.5 inch (2.6*1.3cm) <br> Feed box diameter: 6x3.5cm(Lx H) <br> Package dimensions: 120*77*110mm(Lx Hx W)<br><br> <b>Feedings:</b><br> Small particles (φ1.5) diets can be loaded 70 grams, 5 grams each time, you can feed 14 times;<br> Large particles (φ4.5) diets can be fed 40 grams, 2 grams each time, you can feed 20 times.<br><br> <b>Install methods：</b> According to the form of the tank, there are two installation methods feeder.<br> 1. Edge of the stent placed in the tank, tighten the plastic screws.<br> 2. Velcro on both sides will be separated, torn sticker on the back, were to be attached to the bottom and the tank cover feeder appropriate location.<br><br> <b>Notice: </b> <br> 2 x AAA 1.5V Battery not included.<br> Don't twist the feeding box by hand.<br> Do not use rechargeable batteries.<br> The logo "Lo" displayed on the LCD indicates the power is low. If batteries are not replaceed after 3 days, all the programme will be stopped, and the feeder box may be stopped in the inappropriate place. <br> If LCD is displayed abnormally after completing batteries setting, please take out batteries and set them after one minute. (it is not malfunction of the feeder) <br> <br> <b>Package included:</b><br> 1 x Digital Automatic Aquarium Fish Food Feeder <br>1 x Velcro <br> 1 x User manual <br>