... complemented by other glasses, which enables the laser device to send infrared laser under high voltage. It is widely ... used for Industrial Cutting, Laser Engraving, Laser industrial processing, Quencher, Cutting & Engraving on Leather, Laser Medical Machine, Infrared detecting, ... used in beauty, gynecology and other area. Co2 Laser Tube: ModelLengthWorking LifeWorking Voltage(kv)Best Operating Current ...