A:Answer you can change the settings to match what you want for duration and trigger for recording. Generally they are set to record or notify when motion triggered.
But in order to view recorded videos you must have a monthly paid subscription
older models still offer a subscription free plan that saves recorded videos for up to 7 days
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Most notably, not using a subscription will limit you to a total of five security cameras on one account, depending on which type you’re using. This limit applies to the Arlo Wire-Free, Arlo Pro and Pro 2, Arlo Q and Q+, Arlo Go, and Arlo Baby. These devices also have a limit for cloud recording, with recordings up to 1080P being stored on a rolling seven days system (this means they are written over every seven days)
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https://www.androidpolice.com/do-you-need-a-subscription-to-use-an-arlo-security-camera/