The item is a set of 4pcs 9W 365nm UV lamp replacement tubes, which are suitable Compatible with 9W or 36W nail UV lamp dryers, and can also be used in single bulb lamps and larger lamps. U-shaped bulb tube is great Compatible with nail gel curing, and its wavelength is visible light, to the eyes. ThereCompatible withe, it is really a wonderful UV lamp tubes set Compatible with choice.Features- 4 pieces of the item in one set will be sold together.- Color: as shown in the pictures.- Material: durable glass.- Length: about 16.3cm.- Power: 9W.- Wavelength: 365nm.- and Lamp Bulb Tube Compatible with Nail Art Dryer UV Lamp Light.- U-shaped bulb tube is great Compatible with nail gel curing- Suitable Compatible with 9W or 36W UV lamp dryers- Compatible with UV light tubes installed with UV lamp dryers- Can be used with various kinds of UV products- Suitable Compatible with professional nail salon, Compatible with Studio use or home use- Wavelength is visible light, to the eyes- Pls note that it is not suitable Compatible with induction lamp machine, only Compatible with hand-operated switch machine.