Specifications:Color: Black Material: plastic Power supply: DC 5V/2A via micro USB interface USB cable length: 100cmOperating environment: 0~40°C, humidity <80%Product size: 13.5 * 6.5 * 5.5cm / 5.3 * 2.56 * 2.16in Product weight: 176g / 6.23ozPackage size: 20 * 7.5 * 7 cm / 7.87 * 2.95 * 2.75 inchPackage weight: 284g / 10ozPackage List:1* Automatic Fish Feeder1* USB Cable1* Screw Mount1* Double-sided tape1* User Manual (support ten national languages)[Remote WIFI Automatic Fish Feeding] You can download app on your phone and control the fish food dispenser remotely. Easy setup and installation ensures you'll never miss a feeding due to holidays or busy weekends. [Timer & Countdown] This fish feeder has 2 different timer setting modes, 12h and 24h, and there is also a manual feed option. Multiple sets of multiple flexible timing functions can be automatically fed multiple times a week and date. [Intelligent servo system] The aquarium auto feeder can keep working according to the set feeding time when networking after disconnecting from the network. After a power outage, you can use the power bank to power the charger. The power of the fish feeder is very low, which guarantees long working hours. [Adjustable Feeding Outlet] You can adjust the output on the fish feeder according to the actual situation. Do not disassemble the feeding bucket, so you can easily adjust the amount of food. [Two different fixed methods] The fish feeder is easy to install and set up in your tank or aquarium. Includes clamp and double-sided tape for use in open or closed environments. One is to attach the feeder to the tank wall with the bracket. Another is to stick the charger on the tank cap with a double-sided sticker. Note: The data are all manual measurement, please allow 1-3cm error, due to the difference of light and display, there will be some color difference, depending on the physical item received.