Ring includes both black and silver covers, which is a nice touch, and the blue doorbell button lights up at night. (tomsguide.com)
The technology places a touchscreen panel by the front door of the apartment property, replacing the old panel of doorbell buttons for the existing intercom system. (nreionline.com)
The Ring solution «has the option of battery power so it's more likely to be able to function during a power outage if the network has a UPS, and it will install in places where there isn't doorbell button wiring,» he told TechNewsWorld. (ecommercetimes.com)