IF YOU TRY TO ADD THIS ITEM TO YOUR CART IT WILL SHOW "Currently Out of Stock" - THIS ITEM CAN CURRENTLY ONLY BE ORDERED BY DIRECT WIRE TRANSFER - TO ORDER PLEASE CONTACT US AT 1-877-444-SOUL (7685) or email us at info@shambhalahealingtools.com QRS Technology for Cell Revitalization, Antiaging & Health The Quantron Resonance System, QRS, was the first pulsed electromagnetic field (PEMF) system in the world. The patented QRS Signal is an e-function signal which makes it the most effective system available. Over 200 Research Papers - 5 Year Warranty