Feature: 1. Set it and forget it: Smart App controlled automatic fish feeder takes the guess work out of aquatic pet care and simplifies your life. Tablet or smart phone required for device use 2. Smart App Smart Life: Easy to use app allows you to feed your fish no matter where you are, easy setup and installation ensures you never miss a feeding due to vacations or busy weekends 3. Easy To Install: Fish feeder is easy to install and setup in your tank or aquarium, includes clamp and double sided tape for use in either open or enclosed environments 4. No Dead Batteries: Automatic fish feeder is powered by included Micro USB Cable and AC wall plug, no more worries about dead batteries while in use. Specification: Material: plastic Size: 6 x 6.5 x 14cm Clip thickness 3.5cm Voltage:5V/2A The capacity: 165-170ml Use environment:0-40 degC Relative humidity less than 90% Min Output: Other-- Max Output: Other-- Number of gears: Other Volume: Other-- includes:1x WiFi Fish Feeder 1x Attachable Clamp 1x Double Sided Tape 1x USB Power Cable 1x User Manual