| After-sales Service: | Including Telephone Support, Online Customer Servi |
|---|---|
| Warranty: | 12 Years |
| Type: | Mechanism Doorbell |
| Style: | One-to-Many |
| Talkback Type: | Speech but Not Visible |
| Automation: | Non Automation |
| Samples: |
Each switch/socket with poly bag protecting
|
|---|
| Customization: |
|---|
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