Looks like this is a scam as @tomerv states below. I received an email that asked for me to send an Amazon Gift Card. Here is a screenshot of the email they sent:
Just got notification from my www.camelcamelcamel.com that the Arlo Pro 4-Pack dropped!
I have been wanting to get some Arlo Pro cameras but they are so pricey I didn’t want to pull the trigger on them yet.
Here is the link to the Amazon page showing the offer:
As of 11/18/2016 @ 2PM PST
Camel Price watcher: