Features: 1. Feed your fish on a regular schedule, up to 4 times a day, even when you"re not available to be there in person. 2. The safe and convenient automatic feeder is simple to install and operate 3. Program the amount of food and set the feeding times with the built-in digital clock 4. A clear, easy-to-read LCD screen shows all info at a glance 5. Adjust the slider to increase or decrease the amount of food dispensed per rotation 6. Patented design helps protect food from moisture and clogging 7. Refill the container with food without disassembling the automatic feeder 8. The feeder can be set up to be free-standing or rim-mounted according to the shape of your aquarium Specifications: Material: Plastic Size: 4.92"Lx4.13"Wx3.54"H (12.5x10.5x9cm) Weight: 0.4 Lbs Color: Black Condition: 100% Brand New Can set up to 4 feeding times Type of battery: 2 x AA batteries (included) Suitable for dry flakes or pellets Note: Don"t twist the feeding box by hand. If "L0" is displayed on the LCD, this indicates the power is low. Please be sure to replace the batteries within 3 days or the feeder may cease to function correctly, which would be detrimental to the fish. If the LCD display appears abnormal after setting batteries, simply take out the batteries for one minute, and then put them back in. Package Includes: 2 X Automatic Fish Feeders 4 X AA batteries 2 X Instruction Manual