[Transparent feeding trough design] The feeding trough of the automatic fish feeder is transparent, so you can know at a glance how much food is left in it. It is convenient to remind you to add food to the feeder in time. [Adjustable feeding time] You can feed 1 to 2 times a day, depending on the options you use. There are two options for feeding time: 12H and 24H. Say goodbye to single feeding time and be friendly to your fish [Automatic and manual fish feeding] If you want to enjoy the fun of feeding fish by yourself, there is a manual release button on the aquarium automatic fish feeder, and you can feed the fish outside the preset time. Controllable food volumeUsing our fish food dispenser, the food volume is adjustable. Just adjust the setting to the amount you want to feed, and it will automatically quantify at regular intervals, so there is no need to worry about overfeeding! [Easy to install] It is battery operated and can be easily placed anywhere without plugging in. The fish tank fish feeder can be free-standing, or it can be installed on the edge of the aquarium with a bracket. Uses 2 AAA batteries, included. feature: -Powered by two AAA batteries (included), usually can be used for 3-4 months. -With its adjustable slider, you can set the size of the part. -Easy to use, simple to operate and install, manual and automatic. -1 or 2 feedings per day. There are two options for feeding time: 12H and 24H. Feed the fish regularly. -It can also be used to distribute most types of food, you can even use it to feed pet frogs, salamanders and turtles. notes: On the largest opening, flakes, granules, and granular foods can be used, and on the smallest opening, only flakes, microparticles or granules are suitable. Do not use live, frozen or fresh feed. We recommend that when using the largest pellets or rods, they should be broken to prevent the opening of the feed drum from clogging. Specification: Color: black + yellow Size: 10.5x6.5x9.5cm (length x width x height) Weight: 200g Power supply: battery 1.5V x 2 (included) Package Contents: 1x Aquarium automatic fish feeder 1x manual 2x batteries 1x [Transparent Feeding Trough Design] The feeding trough of the automatic fish feeder is transparent, so you can know at a glance how much food is left in it. It is convenient to remind you to add food to the feeder in time. [Adjustable feeding time] You can feed 1 to 2 times a day, depending on the options you use. There are two options for feeding time: 12H and 24H. Say goodbye to single feeding time and be friendly to your fish [Automatic and manual fish feeding] If you want to enjoy the fun of feeding fish by yourself, there is a manual release button on the aquarium automatic fish feeder, and you can feed the fish outside the preset time. Controllable food volumeUsing our fish food dispenser, the food volume is adjustable. Just adjust the setting to the amount you want to feed, and it will automatically quantify at regular intervals, so there is no need to worry about overfeeding! [Easy to install] It is battery operated and can be easily placed anywhere without plugging in. The fish tank fish feeder can be free-standing, or it can be installed on the edge of the aquarium with a bracket. Uses 2 AAA batteries, included. feature: -Powered by two AAA batteries (included), usually can be used for 3-4 months. -With its adjustable slider, you can set the size of the part. -Easy to use, simple to operate and install, manual and automatic. -1 or 2 feedings per day. There are two options for feeding time: 12H and 24H. Feed the fish regularly. -It can also be used to distribute most types of food, and you can even use it to feed pet frogs, salamanders and turtles. notes: On the largest opening, flakes, granules, and granular foods can be used, and on the smallest opening, only flakes, microparticles or granules are suitable. Do not use live, frozen or fresh feed. We recommend that when using the largest pellets or rods, they should be broken to prevent the opening of the feed drum from clogging. Specification: Color: black + yellow Size: 10.5x6.5x9.5cm (length x width x height) Weight: 200g Power supply: battery 1.5V x 2 (included) Package Contents: 1x Aquarium automatic fish feeder 1x manual 2x batteries 1x Velcro