2. Power of the whole machine: no more than 30W；;

3. Time setting: 10 minute, 20 minutes, 30 minutes, automatic countdown;

4. Laser wavelength: the wavelength is 650nm；;

5. Output power of laser head: the maximum output power is not more than 5 MW;

6. Ultrasonic technical parameters: the working frequency is 1. 1MHz, and the effective irradiation area is 4-6cm2;

7. Thermotherapy output temperature: adjustable at three levels: low temperature, medium temperature and high temperature;

8. Operating carrier frequency:1.2khz10%;

9. Low frequency modulation frequency range: 0.5 Hz-50 Hz;

Under 10 and reference load (reference value is 500 q 5% non-inductive resistance), the output pulse amplitude can be adjusted within 16 steps, with the minimum effective output value of 0.3 0.1v and the maximum effective output value of16/kloc-.

1 1, the reference load changes within 10%, and the output pulse width, pulse repetition frequency and pulse amplitude changes do not exceed 30%;

12, the fluctuation of power supply voltage is within 10%, and the changes of output pulse width, pulse repetition frequency and pulse amplitude are not greater than10%;

13, when the output terminal is open, the peak output voltage is not more than 500V 14, and when the power supply is interrupted and then switched on, the therapeutic instrument should not have output;

15, screen indication: color LCD indication with backlight;

16, safety protection: 4000 V/Class II BF;

17, host size: 260 MMX 230 MMX 100mm, use and operation guide, use and operation guide.