You shall make an altar on which to offer incense; you shall make it of acacia wood.
It shall be one cubit long, and one cubit wide; it shall be square, and shall be two cubits high; its horns shall be of one piece with it.
You shall overlay it with pure gold, its top, and its sides all around and its horns; and you shall make for it a molding of gold all around.
And you shall make two golden rings for it; under its molding on two opposite sides of it you shall make them, and they shall hold the poles with which to carry it.
You shall make the poles of acacia wood, and overlay them with gold.
You shall place it in front of the curtain that is above the ark of the covenant, in front of the mercy seat that is over the covenant, where I will meet with you.
References for Exodus 30:6
Aaron shall offer fragrant incense on it; every morning when he dresses the lamps he shall offer it,
and when Aaron sets up the lamps in the evening, he shall offer it, a regular incense offering before the Lord throughout your generations.
You shall not offer unholy incense on it, or a burnt offering, or a grain offering; and you shall not pour a drink offering on it.
Once a year Aaron shall perform the rite of atonement on its horns. Throughout your generations he shall perform the atonement for it once a year with the blood of the atoning sin offering. It is most holy to the Lord.