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 spine traction: 0-60min adjustable at will 5, lumbar traction force: 0-990N arbitrarily adjustable 6, Continuous traction time: 0-9min arbitrarily adjustable 7, Intermittent traction time: 0-90s arbitrarily adjustable 8、Cervical spine traction force: 0-300N arbitrarily 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 compensation of traction force 14、Price increase optional heating device, the device with a temperature sensor. ≤55℃. 15、Double machine and double traction without interfering each other 16、Microcomputer monitoring of all technical parameters of the equipment Specification: 2420mm*600mm*2030mm Outer box size: length 250 width 66 height 83 Technical Advantage: Microcomputer control of all technical parameters of lumbar spine traction, to implement a variety of functions combined traction or a single function for independent use. Microcomputer control of all technical parameters of cervical spine traction to complete automatic traction. Automatic traction force compensation function 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 * Store 20 case files