Automatic Timer Feeding- Our auto fish feeder can be operated automatically or manually, making fish-keeping easier. It is great to feed your fish at a scheduled time (once or twice per day), or immediately initiate a feeding by pressing MANUAL button. Not waterproof, just for indoor use. Battery Operated- Large capacity: 200ml/6.7ounce; Powered by 2 x AA batteries (Not Included), can last for 2~3 months. This auto fish feeder is great for daily use whether you are at home or away. No more worry about fish feeding even you are on a business trip. Suitable for Fish Food- Works with most types of fish food, such as dry, loose flake and particle feed, flakes, pellets, powders and small strips. Ideal for various sizes of aquariums, fish tanks. Not only for goldfish, it also can be used to feed most of pet fishes, turtles and frogs. Easy To Use- The unique structure of the feed opening on the top to prevent food from being moisturized or clogged in dispenser, as well as it is convenient to add feed without removing the feeding bin. You can easily control the amount of fish food dispensed by adjusting the slider. Two installation- Place the food feeder on aquarium, free-standing or rim-mounted. It is easy to fix it on the tank glass with the thickness ranging from 0 to 33 mm/1.3 inch by adjustable clamp base or fix it on the flat surface of tank by using included double-side sticker." Product Description 200ml large capacity food container Enlarge the LCD screen Intelligent control, electronic timing 4 groups of time modes Adjust the number of turns of the knob to control food intake Size: 15*11*7.5cm Power supply: 2 AA batteries, the product does not contain batteries Why Choose Us? All products sold are eligible for 100% Refund within 30 days if it suffers any Non-artificial quality problems. Our Value = trendy design + quality material + excellent workmanship + after sales service commitment. MORE FAQs: Q1.What is the processing time after I placed an order? A: We always process a order within 1-3 days in order to keep the quality of it.Order immediately, we will arrange delivery immediately at our warehouse Q2.How long I should wait for my parcels? A: We usualy delivery the parcels 10-15 days; Expedited shipping is 3-4 days Q3.What can I do if the Item comes with problems? A: If you have problems on your order, please contact us first. We will solve it effectively for you within 24 hours. Thank you very much.