home means knowing what is going on inside and outside, no matter where you are.For a smart security system upgrade, Amazon is offering up to 40% off Ring doorbells, cameras and alarms right now.Shop the Ring DealsThe Ring Video Doorbell with two-way talk and advanced motion detection is currently on sale for just $60. That's a 40% discount on the popular HD video doorbell with enhanced features that let you see, hear, and speak to anyone from your phone, tablet, or PC.