Ring Chime Pro connects to your Ring Doorbells and Cams so you can hear real-time notifications in your home. Enjoy a sleek design complete with a cozy glow from the built-in nightlight. Plus, extend your wifi to your Ring devices to stay online and reduce dead zones. Receive a Chime tone when someone presses your Video Doorbell or motion is detected on your Security Cams. Place multiple Chime Pro devices around your home to always hear what’s happening and boost your wifi network to your Ring devices. Whether you’re in the kitchen, bedroom or garage, you’ll never miss a thing if your phone is out of reach. Power- Plugs into standard power outlet , Connectivity 802.11 a/b/g/n/ac dual-band wifi connection @ 2.4GHz / 5GHz , Internet Requirements Recommended minimum upload speed of 2 Mbps per device , Dimensions : 4.06 in. x 2.72 in x 1.00 in (103mm x 69mm x 29mm). Manufacturing country : Designed by Ring California – USA , Assembled in china.