SR : Skin-Rejuvenating. It is used for eliminating wrinkles, shrinking trichopore, enhancing skin elasticity, speckles, age spot, sun-induced freckles and so on. HR : Hair-Removal. It is used for removing unexpected hair of limbs, lips& face by rapid destroying of hair follicle tissues permanently. VR : Vessel-Removal. It is used for removing red blood streak, bottlenose& acne. Features:  Three Treatment handles with broad indications  Effective Cooling system- Thermal & electric, Built-in circle water  LCD Screen with function keys for easy control  Efficient energy emitting for shorter treatment Specifications Wavelength SR: 560nm-1200nm HR: 690nm-1200nm VR:420nm-1200nm Light guide: Crystal optical system Power density: 20-50mJ/cm² Pulse duration: 20&149.7ms Fluency: ≤1p/2S Spot size: 8×34mm Cooling system: Thermal & Electric and Built-in Circle water-cooling system