1, power supply voltage: 220V ± 22V, 50Hz ± 1Hz 2、Rated input power: 80-160VA 3, lumbar traction stroke: 0-200mm 4、Total time of lumbar traction: 0-60min can be adjusted arbitrarily 5、Lumbar spine traction force: 0-990N arbitrary adjustable 6、Continuous traction time: 0-9min arbitrary adjustable 7、Intermittent traction time: 0-90s adjustable 8、Cervical spine traction force: 0-300N arbitrary adjustable 9、Cervical traction stroke：0～250mm 10、Continuous traction time: 0-9min adjustable 11、Intermittent traction time: 0-90s adjustable 12、Cervical traction curvature: 0-15 ° adjustable 13、 Automatic traction force compensation function 14、 Optional thermostatic heating device with temperature sensor. ≤55 ° C Microcomputer control of lumbar traction of all technical parameters, to implement a variety of functions combined traction or a single function independent use. Microcomputer control all technical parameters of cervical spine traction to complete automatic traction. Automatic compensation function of traction force Cervical spine traction force over force protection function Cervical spine traction and lumbar spine traction work at the same time without interfering with each other and have independent operating systems. 8 different traction modes are equipped with dual-core processing chip and independent operating system. * Five safety protection: with "National Qualification Certificate". * Traction drive software: with "National Qualification Certificate". * Case file storage, management function to store 20 case files