FAA Order 8130.34D — OPA / OPA-UAS Operating Limitation B-4
Appendix B · p. B-1
The OPA system may be engaged to permit remote pilot operations during daylight hours in visual meteorological conditions (VMC) with minimum flight visibility no less than 3 statute miles (SM) below 10,000 feet mean sea level (MSL) and 5 SM at or above 10,000 feet MSL. The OPA system is not authorized for use under special visual flight rules (SVFR).
If night operations are approved, the authorization will be prescribed by selecting operating limitation (5) and omitting this limitation.
Verify it yourself: the eyeball above opens the exact page of Order 8130.34D with this limitation highlighted.