And after that I looked, and, behold, the temple of the tabernacle of the testimony in heaven was opened: The temple of the tabernacle of the testimony - The temple which succeeded the tabernacle, in which was the testimony, viz., the two tables, Aaron's rod, pot of manna, holy anointing oil, etc. All bearing testimony to the truth of God and his miraculous interposition in their behalf.
Related Commentaries of Revelation 15:5
Revelation 15:5
5 And after that I looked, and, behold, the temple of the tabernacle of the testimony in heaven was opened: