2. Never Miss a Visitor - Plays ringtone at multiple locations simultaneously
  3. Official Accessory - Specifically designed for S330(wired) & T8200 systems
  4. Custom Tones - 8 fun ringtones to choose from
  5. Adjustable Volume - Choose from 3 volume levels
  6. Instant Chime Binding - Sync directly through wired doorbell settings (No app setup required)