This is the standard traditional concave bagua with eight trigrams in wood and a concave mirror in the middle.
It is made of high grade materials capable to withstand the outdoor temperatures.
Hang this bagua OUTSIDE THE HOME and facing the source to ward off negative energy from poles, sharp corners, trees, T sections all hitting the home.
The concave mirror absorbs the negative energy and does not send negative energy back. It is less harmful to others .