Feature:_x000D_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_x000D_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_x000D_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_x000D_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._x000D_Specification:_x000D_Material: plastic_x000D_Size: 6 x 6.5 x 14cm_x000D_Clip thickness 3.5cm_x000D_Voltage:5V/2A_x000D_The capacity: 165-170ml_x000D_Use environment:0-40 degC_x000D_Relative humidity less than 90_x000D_Min Output:Other--_x000D_Max Output:Other--_x000D_Number of gears:Other_x000D_Volume:Other--Package List:_x000D_1x WiFi Fish Feeder_x000D_1x Attachable Clamp_x000D_1x Double Sided Tape_x000D_1x USB Power Cable_x000D_1x User Manual