... 3,Peak wavelength:365nm 4,U-shaped 9W Nail UV Lamp Tube Bulbs -for Nail UV Lamps FeaturesUV lamps, compact size ... 12V or DC 24V Wattage: 5W, 7W, 9W, 11W and 13W Lamp diameter: 12mm Base: G23 or 2G7, GX23 Peak wavelength: 365nm ... : nail dryer, nail machine, nail art kits and nail beauty units Service: OEM service and custom design service Certifications: CE /RoHs,ISO9001