Description: No worry if you have to get on frequent business trips, or when you catch a camping-day out. This feeder helper execute dispensation strictly to your settings. It adopts durable plastic material. Safe and convenient, mini shape, space-saving for your aquarium. The feeder with large capacity, you can set the timer(24 hour) by yourself. Easy to use, simple operation and installation, manual and automatic control. Adjustable switch is convenient for you to adjust the food outlet according to the fish needs, you may increase or decrease the amount of food dispensed per rotation. Specification: Condition: 100% Brand New Material: Plastic Color: Black Voltage: 1.5V 2 * AAA battery (not included) Product Size: Approx. 11 * 11 * 7cm / 4.3 * 4.3 * 2.8inch Package Weight: Approx. 231g Package Included: 1 * Automatic Fish Feeder Feedings: Small particles (1.5) diets can be loaded 70 grams, 5 grams each time, you can feed 14 times. Large particles (4.5) diets can be fed 40 grams, 2 grams each time, you can feed 20 times. Install Methods: According to the form of the tank, there are two installation methods feeder. 1. Edge of the stent placed in the tank, tighten the plastic screws. 2. Adhesive tapes on both sides will be separated, torn sticker on the back, were to be attached to the bottom and the tank cover feeder appropriate location.