It will protect an entire area from micro wave signals, electric lines and low level radiations. It does't need to be faced true north.

The frame transmits the diode efect from a plate in the wood base through the Tetrahedronal frame work. It must be at least 3 feet from walls and large furniture to work most efficiently.

The Crystal Transmitters will broadcast up to 8 feet. Amythyst, Quartz, and sliced colorful crystaline bases amplify the diode effect.

The figurines are lead free pewter.

The Crystals were created by Mother Nature and will vary in color, shape and size.