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GO
Hybrid DVRs
| Item | Version | Update date | Download |
| YDS-0421HE | V3.1.41.1516 | 2018/05/16 |  |
| YDS-0921HE | V3.1.43.1533 | 2018/10/08 | |
| YDS-1621HF | V3.1.43.1533 | 2018/10/08 | |
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| Item | Version | Update date | Download |
| YDS-0421HE | V3.1.41.1516 | 2018/05/16 | |
| YDS-0921HE | V3.1.43.1533 | 2018/10/08 | |
| YDS-1621HF | V3.1.43.1533 | 2018/10/08 | |