The HNC2DB11C-W WiFi Chime Kit is an indoor, standalone doorbell chime, compatible with the HNC2DB112-W WiFi Video Doorbell. Once configured, the HNC2DB11C-W sounds the ringtone when a visitor presses the Video Doorbell button. The HNC2DB11C-W easily connects to the DMSS mobile application and pairs to HNC2DB112-W. Use the DMSS app to customize the ringtone. Features Indoor Doorbell Chime Compatible with HNC2DB112-W 2 MP WiFi Video Doorbell Built-in Speaker Multiple Ringtone Options