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|---|---|---|---|---|
| Two-way conversation intercom | 7 CH Intercom System | 10 CH Intercom System | 6 CH Protable Intercom System | |
| Version | 2020 new version | 2019 version | 2019 version | 2019 version |
| Model | HY616 | HY777 | HY810 | HY806 |
| Two-way communication | ✓ | none | none | none |
| Hands-free | ✓ | none | none | none |
| Channel | 6 Channel | 7 Channel,3 Code | 10 Channel,3 Code | 6 Channel,3 Code |
| Battery | 18650 Battery not included | none | none | 18650 Battery not included |
| Tones | 10 different tones | none | 4 different tones | 4 different tones |
| Power Bank | Support 5V 1A (Not included) | Support 5V 1A (Not included) | Support 5V 1A (Not included) | Support 5V 1A (Not included) |
| Power ON/OFF | ✓ | none | none | ✓ |
| Use For | Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) | Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) | Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) | Home, Office, Business, Outdoor Activities(use Power Bank, power bank not included) |
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