Nervo-Scope reliably detects and measures minute heat differences the tissues along the spine. This instrument can be used comfortably for both pre and post adjustment assessment. It is built to withstand the rigors of continual cleaning and disinfecting. It has large meter scale with a fluorescent pointer that makes even smallest temperature changes easy to see. The detectors can adjusted from 0.6” wide to 2.1” wide for infants to adults. Includes carrying case and cleaning brush.