... OF RF1.1-2 processes ,6-8 times for one treatment.and for former three time,the interval time is 3-7 ... interval is ok2.for face and harms:30minutes3.For face and neck:90minutes4.For legs:60 minutes5.For waist and stomach:60 minutes6.For breast and buttocks ... .One handpiece of RF:3 treatment heads,10mm,20mm,40mm for eyes,face,body3.Screen:8.4 real color touch screen ...