Portable Digital Automatic Electric Plastic Timer Feeding Feeder for Fish Tank Aquarium Condition: Color: As picture shownBattery: 2 x AAA battery(not included)Time setting:        a, "Manual" button for manual feeding, "Auto" button for automatic feeding.        b. “Auto” button presses the 24h light to light, and the current feeding is immediately fed once every 24 hours and then fed once. Press the 12h light again to indicate that the current feeding is immediately 12h and then fed once. Press again and all lights are off, indicating automatic feeding cancellation.       1. Manual operation: In addition to the automatic feeding function, each time the “Manual” button is pressed, the automatic feeder is fed once.       2. Adding food: This device is suitable for loading granular foodstuffs. When adding, please unplug the food box, then adjust the food outlet door to the minimum by pushing the adjusting button. Unscrew the food container lid and put about 30 grams of food in the food box. Then the food container lid is not covered. On the food box, and rotating the food box cover, the buckle on the food box is buckled with the buckle on the lid, and then the feeding box is mounted on the spindle of the feeder and the adjustment door of the food outlet is adjusted to a suitable size. can.       3. Clean the box: Remove the feeding box, open the feeder lid, and clean the inside and outside of the feeding box.       4. Adjust the feeding amount: adjust the feeding amount each time by adjusting the knob on the front of the feeding box.       5. Device placement: According to the shape of the fish tank, the feeder can be installed in two ways.       a. After loading the bottom dovetail groove of the feeder body into the fixing bracket, screw the fixing bracket screw to the side of the fish tank. Adjust the position of the feeder to ensure that the discharge opening of the food container is aligned with the opening of the fish tank.       b. Separate the hook&loop on both sides, tear off the sticker on the back of the hook&loop, attach it to the bottom of the feeder and the appropriate position on the fish tank cover, and then install the feeder through the hook&loop on the appropriate position on the fish tank to ensure the food box. The discharge port is aligned with the opening of the fish tank.