Features: 100% brand new and high quality Maximum 4 feedings per day. Mini shape, space-saving for your aquarium.< /p> Easy operation and installation, manual and automatic. The Lo logo ““displayed on the LCD shows the power low. If the battery has not been replaced after 3 days, all executions will be automatically turned off. To avoid the food bin stopping at an unreasonable position. Adjust by the slider, you can increase or the amount of food delivered per rotation. Specifications: Item: Smart Fish Feeder Material:Plastic Powered by: 2 x AAA batteries (Not included) Attachment Method:Clips or Velcro fixed Capacity:100ML Size11*9.8cm Setting method: Standard time setting method: a) Press the SET button, the hour hand flashes, press the ADJUST button to adjust the clock. b) Press the MODE button, the minute hand flashes, press the ADJUST button to adjust the minute.c) Press the SET button to store the standard time. Feeding time setting a) Press the MODE button, the LED shows