NOTE: This UV lamp is an electronic tube and is not compatible with induction phototherapy devices. In other words, when the electronic lamp is placed on an inductive phototherapy nail dryer, the UV lamp will not turn on and work. Compatible and Practical: This pack contains 4 tubular 9W 365nm UV lamps, compatible with 9W or 36W UV drying lamps. Durable and eco-friendly with a lifespan of up to 2,640 hours. Wavelength 365nm: This UV nail curing lamp has a length of 365nm wave, good drying disinfection effect. NOTE: This wavelength is visible and harmless to the eyes, but it is not recommended to look at the UV lamp for a long time. Professional Usage: This UVA lamp used to dry phototherapy glue in nail process and is popular with professional manicure experts and manicure learners. It is widely used in nail salons, studios and homes. Try it! Tips for Use: Please change the lights every 6 months, be careful not to look directly at UV rays. Please read the instructions for using the UV lamp carefully before use. 9W UV Gel Nail Lamp U-Shaped Tube < p> NOTE: Our UV lamps are electronic tubes and ARE NOT COMPATIBLE with induction phototherapy devices. In other words, the electronic lamp is placed on the inductive phototherapy nail dryer, while the UV light is not turned on and does not work. Here how to tell if your nail dryer uses an electronic lamp or an inductive lamp. Put the light on your machine: 1, When the system is powered on, the light tube will light up directly, without flashing, that means it is 'an electronic optical tube. 2, If the lamp flashes several times before staying lit, this means that it is an inductive lamp. Features: -Perfectly for your 9W or 36W nail dryer. -New manicure lamp, fast curing color gels at 15-30s. -Wavelength 365nm is visible light, safe for eyes . Specifications: -Power: 9W - Base: G23 -Dimension: 32x165mm -Wavelength of light: 365nm < p> -Bulb type: CFL -Bulb shape: U tube < p>-Voltage: AC 220-240V -Material: Glass -Dimmable: No < p> -Average Lifespan: 2,640 hours -Certification: CE, RoHS Applications: -This UVA lamp is specially used in drying phototherapy glue in nail process, suitable for professional nail salons, studios or use at home. The Pack Includes: -4x 9W 365nm UV Lamp for Nail Dryer/Gel Dryer< /p> This UV nail lamp is definitely a wonderful gift for your wife, girlfriend, mother or sister! Sold by Bianco FR store