1、Power voltage: 220V±22V, 50Hz±1Hz 2、Rated input power: 80VA 3、Lumbar traction stroke: 0-200mm 4、Total time of lumbar spine traction: 0-60min adjustable at will 5, lumbar traction force: 0-990N arbitrarily adjustable 6, Continuous traction time: 0-9min arbitrarily adjustable Technical advantages: Microcomputer control of all technical parameters of lumbar traction, to implement a variety of functional combinations of traction or single-function independent use. Microcomputer control all technical parameters of cervical spine traction to complete automatic traction. Automatic compensation function of traction force