Key Features . Never Miss a Visitor - Plays ringtone at multiple locations simultaneouslyOfficial Accessory - Works with eufy Security Video Doorbell 2K Custom Tones - 8 fun ringtones to choose fromAdjustable Volume - Choose from 3 volume levels . For When You Need Your Smart Doorbell to be a Doorbell. Doorbell Chimes are used to notify you when someone presses the doorbell button. Place an additional Chime upstairs or in the basement so you never miss a visitor. From eufy where privacy comes first. Comprehensive Safety Solutions for Your Home Created by Anker—renowned for quality and innovation Protects You Your Family and Your Privacy. Every eufy Security product is engineered to ensure your data is kept private. Keep a secure record of everything that happens around your home..