What is the difference between first and second gen and can they be used together?

[Elaine888]

Can the first and second generation be used together and what are the differences?

[JamesC]

Generation 2 cameras bring several improvements like better image quality with the 2K model and improved battery life with the XL model. You can read more about the features of each model on arlo.com and use our comparison tool to get a better idea of which features might benefit you the most: https://www.arlo.com/en-us/cameras

Yes, these cameras can be used with your existing Arlo account alongside previous model Arlo cameras.

JamesC