The HiWatch DVR-208G-F1 (a Hikvision sub-brand) does not have a "factory default password" in the traditional sense because modern Hikvision-manufactured devices are shipped in an "Inactive" state for security reasons. The "Activation" Process
Based on technical manuals for this chipset (HiSilicon or Novatek), try these credentials first: Dvr-208g-f1 Default Password
To reset the password if it's unknown:
Would you like to know more about best practices for securing your Hikvision DVR or other security devices? The HiWatch DVR-208G-F1 (a Hikvision sub-brand) does not
To keep your surveillance footage private, follow these simple rules: Dvr-208g-f1 Default Password
Create Admin Password: Enter a password containing 8–16 characters. Use a mix of uppercase letters, lowercase letters, and numbers.