Material: PlasticColor: Black+WhiteSize: app. 15x5x11cm(5.91x1.97x4.33in)Optional Type: 730/740/750/760Type 730: 3 mode(8h/12h/24h)Type 740: 4 mode(8h/12h/24h/48h)Type 750: Digital DisplayPower supply: 2 x AA batteries(Not included)Quantity: 1 pcFeatures:Manual and automatic feeding: 3/4 different timer setting modes(optional), 8h/12h/24h/48h. Also the feeder has a button of “manual”, have fun when feeding fish by yourself.Two way of installation: 1.Use the universal clamp to fix the feeder on the edge of aquariums. 2.Tear the protective film of the sticker and attach the feeder on the top of the aquariums.Super Silent: Fish feeder automatic dispenser, mute operation, low noise, it is hard to hear the noise at work even on a quiet night.LCD display, pressure-sensitive button, easy to operate. Rotatable base, can be rotated to desired position freely.Moistures prevents design: moistures-resistant hopper keeps fish food dry, won’t get wet or jammed. It accommodates most types of food, including flakes, pellets or crumbles.Package includes:1 x Fish Feeder(batteries are not included)(other accessories demo in the picture is not included.)Note:Transition: 1cm=10mm=0.39inchPlease allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!