Replacement Battery Pack with Controller for Dog H2O Cordless (Version 2)
Powered by 4 x "D" size batteries (not included)
Optional USB powered (micro USB), once connected the system runs continuously. (USB cable, USB power adapter & Power banks are not included)
V2 Controller with 3 settings:
Press the button once, filter will run for 2 minutes every 90 minutes.
Double Click the button for filter to run for 2 minutes every 45 minutes. 
Triple Click the button, filter will run for 2 minutes every 20 minutes. 
Comes with 1 year warranty

Note: The V2 Controller will not fit into the original Dog H2O Cordless.