1 Operating Voltage ： AC :~ 220V±10%,50Hz±1Hz,D.c.7.5V+5 2 Overall dimensions (main unit) ： 400mm*300mm*110mm 3 Therapeutic head: Line length ≧ 1.9m, Diameter of the therapeutic head: 45mm±5%, Thickness: 14mm±5 4 Power cord length: 2m 5 Safety category: Class I BF type 6 Beam Type: Collimated 7 Input power: 15VA 8 Frontal output power: 100mW 9 Safety performance test Insulation withstand voltage power supply to protective earth 1500V, 50Hz, 1min Power supply to panel 4000V,50Hz, 1min Power supply to treatment head 4000V,50Hz, 1min 10 ultrasonic frequency: 1MHz, 0.5MHz 11 Waveform: Pulse wave, beam (beam inhomogeneity coefficient: less than 8) 12 ambient temperature range: the use of ambient temperature range: 5 ℃ ~ 40 ℃ 13 Storage ambient temperature range: -20°C~50°C 14 Relative humidity range ≤80 15 Operating atmospheric pressure range 86KPa ~ 106KPa 16 treatment time: 1-35min, the system default 30 minutes