1. Supports 2-way audio.
2. Supports missed calls overview.
3. Supports photo and video recording and replay.
4. Supports ringtone settings.
5. Supports doorlock and gatelock opening function.
2. Supports missed calls overview.
3. Supports photo and video recording and replay.
4. Supports ringtone settings.
5. Supports doorlock and gatelock opening function.
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