Blink wifi security cameras set of 3

These blink cameras were originally purchased for $200, these were used in my store from for about a year and then I recently updated to a DVR for my shop security. The cameras work good, they do need a good wifi connection which was spotty in my store hence the upgrade. There is also the blink subscription through Amazon. I think my plan had me pay $10 a month. These cameras require 2 AA batteries.