The fish feeder adopts a drawer feeding method, which can effectively prevent fish food from being directly exposed to the water surface. Keep fish food dry. The food storage box of the fish feeder is equipped with a transparent acrylic cover, which can effectively prevent cockroaches and mosquitoes from entering and ensure the cleanness of fish food. The smart fish feeder during each feeding process, the thimble at the bottom of the feeding bin and the stirring device in the food box will work to prevent fish food from blocking the outlet. Connect with APP Scan the QR code on the manual, download and install the "VSON" APP.Open the APP and turn on the Bluetooth of your phone. You can use it directly without registering an account. Click "Add Smart Device".The APP will automatically search for the fish feeder, click on the model WP8622L, and then click to save. Completed addition. When using battery power independently, you first need to click the manual feeding button to wake up the fish feeder (the flashing blue light indicates the wake-up state), and then perform the connection or manual feeding operation. The wake-up time is about 20 seconds. If there is no operation during this period, it will continue to sleep. Battery+USB Fish Feeder USB Fish Feeder 2.4G WiFi USB Fish Feeder Add to Cart Add to Cart Add to Cart Customer Reviews 4.0 out of 5 stars 20 4.0 out of 5 stars 20 3.7 out of 5 stars 42 Price $29.99$29.99 $24.99$24.99 $39.99$39.99 Networking Method Bluetooth Bluetooth 2.4G WiFi USB Powered ✓ ✓ ✓ Built-in Battery ✓ ✘ ✘ Manual Feeding ✓ ✓ ✓