The automatic fish feeder is specially designed for pet lovers who are working at work, on business trips or during vacation. The automatic feeding function can set the feeding time and quantity according to personal needs to ensure that your pet will not starve due to lack of food. So as to free your hands and time. The automatic fish feeder is sturdy and durable, with long-lasting performance. It can be easily installed and fixed where you need it, and adjusted at will. There are two modes of automatic feeding. In the automatic mode, you can choose to feed the fish once (24 hours) or twice (12 hours) a day. In addition, you can press the manual button to feed the fish immediately for fun. The moisture-proof hopper keeps the fish food dry, does not get wet or clogged, and prevents the food from getting damp or clogged in the dispenser. It is very convenient to add feed without removing the hopper. Installation method: According to the form of the tank, the feeder can be installed in two ways. 1. Place the bracket on the edge of the water tank and tighten the plastic screws. 2. Separate the velcro on both sides, tear off the sticker on the back, and stick them on the bottom and the appropriate positions of the water tank cover feeder. Power: Use two AA batteries (not included) Note: Do not twist the feed box by hand. Please set this item at a higher position above the water tank to avoid water ingress. Package includes: 1 x Automatic fish feeder 1 x Feed box 1 x positioning device 1 x double-sided sticker 1 x User Manual[Suitable food and fish tank] Suitable for most types of fish food, such as dry, loose flakes and pellets, flakes, granules, powders and small strips. Suitable for various sizes of aquariums and fish tanks. Suitable for feeding most pet fish, turtles, salamanders and frogs, etc. [Easy to fix] Place the automatic food feeder on the aquarium, free-standing or edge-mounted. It can be easily fixed on the glass of the water tank through the adjustable clamp seat, or fixed on the flat surface of the water tank with the included double-sided sticker. [Easy to use] The unique structure of the top feed port can prevent the food from getting damp or clogging in the dispenser, and it is easy to add feed without removing the feed bin. The automatic fish feeder uses batteries to work (not included) and can work for a long time for 2 months. You can easily control the amount of fish food allocated by adjusting the slider. [Moisture-proof and silent operation design] The digital timer shows a flat surface, and the moisture-proof hopper keeps the fish food dry without getting wet or clogged. Automatic fish feeder can hold most types of food, including flakes, pellets or crumbs, is easily fed and runs quietly without making other noises. [Perfect operation of automatic fish feeder] Reliable automatic fish feeding tool, always accurately measure fish food. You can set it to feed up to 4 times a day at different times of the day to ensure that pets in the aquarium and fish tank will not lack food. Free your vacation and hands, and enjoy a comfortable time.