Revelation 11:4
These are the two olive trees, and the two candlesticks standing before the God of the earth.
Cross-reference
Revelation 1:20 identifies lampstands as churches; here they symbolize the two witnesses, reusing the same symbol.
1 Kings 17:1 shows Elijah standing before the LORD—a direct type of the two witnesses with Elijah-like power.
Zechariah 4:2 shows the golden lampstand that Revelation 11:4 alludes to when calling the witnesses the two lampstands.
Zechariah 4:3 introduces the two olive trees beside the lampstand — the direct source for the two witnesses as olive trees in Revelation.
Zechariah 4:11-14 identifies the two olive trees as the anointed ones who stand before the Lord — exactly quoted in Revelation 11:4.
Zechariah 4:14 is the direct source: 'two anointed ones who stand by the Lord of the whole earth'—a clear OT allusion.
Zechariah 4:12 directly supplies the two olive trees imagery — the witnesses are the same anointed ones who supply the lampstand.
Deuteronomy 10:8 describes Levites 'standing before the LORD'—the same phrase for the witnesses' priestly service.