This $49.99 item can use a set of AA batteries for two years.
Source: Blink’s $49.99 video doorbell can run for two years on AA batteries – The Verge
Blink’s $49.99 video doorbell can run for two years on AA batteries
This $49.99 item can use a set of AA batteries for two years.
Source: Blink’s $49.99 video doorbell can run for two years on AA batteries – The Verge