Class 4 laser physical laser therapy device for pain relief
 Rehabilitation equipments pain management device 
1. functions: pain relief for frozen muscles, sports injuries, wound healing, old people pain etc.
2. high power -- 10/20/30watt , belong to class 4 laser 
3. long lifetime -- 30,000 hours/3~5 years
4. no consumables, easy maintanance
5. popular in clinics/hospitals/gyms/sports clubs etc.