1. 10 ringtones to choose from
2. Adjustable ringing delay to avoid frequent ringing due to repeated entry and exit within a short period of time
3. Welcoming and seeing off guests can be turned on and off separately
4. Internal and external speakers can be switched on and off separately

1. Six language options: Chinese, English, Japanese, Indian, Vietnamese, and Thai. You can choose whether to enable the language individually.

2. Adjustable ringing delay to avoid frequent ringing due to repeated entry and exit within a short period of time

3. Welcoming and seeing off guests can be turned on and off separately

4. Internal and external speakers can be switched on and off separately