Automatic Feeding:Automatic fish feed dispenser helps you feed according to the set time.Widely used in aquarium and aquarium. Large capacity: a variety of fish food can be added to it, suitable for different types of fish food, such as grainy, flake, powder. Adjustable: The adjustable switch allows you to adjust the food outlet according to the needs of the fish, you can increase or reduce the amount of food released. Moisture-proof: Keep fish food dry and prevent the food from getting damp. Easy to install: you can attach it to the aquarium by tightening the screws or using a double-sided sticker. (Battery not included) Specification: Condition:100% brand new Material: plastic Color: black Voltage: 1.5 V 2 * AAA battery (not included) Product size: Approx. 11 * 11 * 7cm / 4.3 * 4.3 * 2.8inch Package Weight: Approx. 230g Package included: 1 * Automatic Fish Feeder Feedings: Diets with small particles (1.5) can be loaded 70 g, 5 g each time, you can feed 14 times. Diets with large particles (4.5) can be given 40 g, every time 2 g, you can feed 20 times. Installation Methods: Depending on the shape of the tank, there are two feeder methods for installation methods 1. Placed edge of the stent in the tank, tighten the plastic screws. 2. Adhesive tape on both sides is separated, torn sticker on the back, must be attached to the bottom and the appropriate place for the tank cover.