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、With three-dimensional traction reset function 11、Optional thermostatic heating device with thermostatic sensor ≤ 55 ℃. 12、Computerized control of lumbar traction. 13、Computerized monitoring of all technical parameters of the equipment. Specification: console 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. *It has the function of automatic compensation of traction force and the function of over force protection. *8 different traction modes *Equipped with dual-core processing chip and independent operating system. *Five safety protections: with "National Qualification Certificate". *Traction driving software: with "National Qualification Certificate". *Case file storage, management and printing function".