... and effort in developing the series of Q switch laser machine,IPL,RF, Elight, Long pulse laser ,Er Glass fractional ... once, free of charge.2. Within 1year, if the machine is of any big fails, we will send you a ... new machine.3. Within 1 year, if you send back the ... back.4. After one year, we offer to repair the machine, but we quire for the cost of the changed parts ...