Bella is a professional RF aesthetic management solution integrated by RF+IR, multi polar RF and fractional RF (Matrix). It gives the most effective performance unlikely other simple RF devices. -Bi-Polar Radio Frequency + Infra red -Multi-Polar Radio Frequency -Fractional Radio Frequency (Matrix) [Fractional non-invasive RF] -Fractional Radio Frequency(Needle) [Fractional invasive RF]-option