Manual information
Brand：EKEN
APP: Aiwit
Model：T8
Features
1. Motion Sensor
2. Wide-angle Lens
3. Hidden Infrared Lights
4. Light Sensor
5. Microphone
6. Doorbell Button
7. Indicator Lights
8. Speaker
9. Micro USB Port (Battery Charging)
In the box
User Manual
The same way as V5,V8, please check T5,T7 User Manual
Are additional chimes available for the T8 model, so that the doorbell can be heard in different parts of a large house?
As far as I understand, there is. Suggest looking on Amazon, or consult your camera seller