This USB-powered doorbell chime accessory connects to Feit Electric smart doorbells and sounds when the doorbell button is pressed. Choose from 4 different chime sounds and get audible alerts even in remote areas of your home. This wireless chime is compatible with the Feit Electric Smart Doorbell (Sold Separately) with a range of up to 150 feet. With adjustable audible alerts that can be set to ring up to 80dB you can set your mind at ease knowing you won’t miss someone at your door anywhere within your home. To install, plug the USB power plug into a USB wall outlet or use a USB power adapter (not included), then plug into a standard wall outlet. To connect to your home Wi-Fi you must be using a 2.4GHz network. Smart Chimes can be installed in multiple rooms so you never miss a guest or package delivery.