1, power supply: 220V ± 22V, 50Hz ± 1Hz 2、Rated input power: 160-400VA 3、Lumbar traction stroke: 0-200mm 4、Lumbar traction force: 0-990N adjustable 5, total traction time: 0-60min adjustable 6, continuous traction time: 0-9min adjustable 7, intermittent traction time: 0-90s adjustable 8, rotary action range: ± 25 ° adjustable 9, into the angle of action range: +10 ° to -30 ° adjustable 10, swing action range: left and right 25 ° adjustable 11、With 360 ° arbitrary positioning traction, Chinese orthopedic manipulation correction 12、Optional thermostatic heating device, the device is equipped with a thermostatic sensor, ≤ 55 °. 13、Computerized control of lumbar traction. 14、Computerized monitoring of all technical parameters of the equipment. Specification: Control panel 610mm*550mm*860mm, traction bed 2100mm*550mm*750mm. *Computerized control of all technical parameters of lumbar traction, to implement a variety of functions in combination with traction or a single function for independent use. *Computerized control of all technical parameters of lumbar traction, display of all information in the traction process, automatic judgment of the traction machine's error messages and fault messages, safety and protection of traction brought about by unnecessary injuries. *Automatic compensation of traction force and over-force protection function. *8 different traction modes *Equipped with dual-core processing chip and independent operating system. *Five safety protections: with National Qualification Certificate".