High frequency Plasma pen for skin tightening / jet plasma lift mole removal plasma beauty machine

I need information about the how often the needle must be changed and the price of the changeable
Application:For Commercial & Home Use
Material:ABS+Stainless Steel
Function:Face Lift,wreckle remove,ance remove ,paigment remove
Technology:Plasma Principle
Voltage:110V/220V 50-60Hz
Key word:plasma pen
Certificate:CE ISO ROHS
type:Multi-Function Beauty Equipment
Handles:2 Handles
Power:500W
Operation System:OZONE
Type:Other
Feature:Blood Vessels Removal
Feature:Anti-Puffiness
Feature:Pore Remover
Feature:Face Lift
Feature:Pigment Removal
Feature:Pigmentation Correctors
Feature:Skin Tightening
Feature:Lightening
Feature:Whitening
Feature:Acne Treatment
Feature:Skin Rejuvenation
Feature:Dark Circles
Feature:Wrinkle Remover
Application:For Commercial
Certification:ce
Certification:ISO13485
After-sales Service Provided:Free spare parts
After-sales Service Provided:Online support
After-sales Service Provided:Video technical support
Warranty:3 years
Place of Origin:CN
Brand Name:XZ