This Automatic Fish Feeder is quiet and stylish, can perfectly feed goldfish and turtles on weekends or holidays. Plus, this is a universal design that could be used for different pets such as fish, turtles, newts and frogs. With this smart Dispenser, you can have a good time while traveling. Don't worry about forgetting to feed your beautiful animal! Smart design: 4 groups of time per day at most, 1-3 meals per group. Each time setting is accurate to the minute, so you can set a different power time to suit your needs. At the same time, you can also manually feed and experience the pleasure of feeding, just press the 'Manual' button. 2 Installation methods. Two ways of installation, one is to install it with the base, the other is to stick to the tank cover with the double-sided sticker. Suitable for both open and closed aquariums. Make sure the fish feeder is secured above water level after installation is complete. 200ml 200ml large capacity feeding bucket meets most of your vacation. It is easy to add fish food to the top of the automatic fish feeder, there is no need to disassemble the bucket. This automatic fish feeder is powered by 2 AA batteries (not included). In general, depending on the number of meals taken, it can be used for 3 to 6 months with each pair of fresh batteries. Product Features Automatic feeding: 4 time groups per day maximum, 1-3 meals per group. LCD display, all parameters are clear at a glance, intelligent control, easy to operate. 200ml capacity, suitable for a variety of food. The feed opening can be adjusted to control the amount of feed for your fish. 2 installation methods. install with the base / double-sided sticker. How do I set the feeding time? Power on / off: Press the power button for 3 seconds. Step 01, press the 'SET' button for 3 seconds until the digits flash. Step 02, use the arrows to set the hour, then short press the "SET" button to set the minutes (24 hour system). When the operation is complete, press the "Manual" button to save the time setting and exit. The 2 steps above complete setting the current time.Step 03, once the time is set, long press SET and the first box on the left starts flashing with the time. It is the first time that you feed yourself. Set the hours and minutes in the same way, then press "SET" and only the box will flash. Use the arrows to display 1,2 or 3 in the box. This will be the number of times the cartridge rotates per programmed feed. If you set 1, it will only run once, and so on. Press 'SET' to enter the 2nd time. Repeat the process to complete the 4-group feed adjustment. Finally, press 'Manual' to save and exit. The "Manual" button will rotate the cartridge each time you press it. Package includes: 1 x Automatic Fish Feeder 1 x double-sided sticker 1 x user manual