Open box, and is missing adapter.  Tested using a compatible adapter (retails for 18) and does charge and turn on/off just fine!  Any questions, just ask. We aren't the expert in everything we sell, but will still strive to answer them to the best of our abilities!
The GOSVOR Aura Cordless Robotic Pool Vacuum Cleaner is an excellent addition to your pool cleaning kit. This highly efficient pool cleaner has self-parking technology that makes it very easy to use. This robotic pool cleaner is cordless, so you can use it anywhere you want. It is ideal for cleaning pool floors, walls and waterlines. It comes with a user-friendly interface, and its powerful suction ensures your pool will be free of debris.

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