Our product is seven joint articulated laser which is about CO2 laser system. The product is available to shift controlled align beam. Consequently, it has small to loss beam, when you compare with this product with other companys. Trait of our product - Soft movement. - The products traits and advantages are sustainable for a long time. - Good interlocking of he beams traits. - The products balance is available to adjust with two types which are spring and weight. - The products connection part is sealed up, so it can be protected from outside dust and pollution. - Design of sleep type- It is able to continue elasticity of arm holder and spring. - Various types of hand piece