Features: With data hold/zero function, very easy to operate. Scoliosis Testing Meter has an easy-to-read, large screen testing display. Use the Testing Meter in conjunction with Forward Bend Test to measure the degree of rotatio n of a deformity of the back. Used to aid in the diagnosis of spin al malformations, which is for ideal for identifying patients who may have scoliosis. Small size design for easy to carry, which can be used for a long for time. Specifications: Material: Plastic Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Scoliosis Meter