Durable and long service life, working life up to 10,000 hours. | High luminous efficiency with luminous power more than 2000MW . | 365+405 nm double light source for curing nail within 15-30s, save your manicure time greatly. | Rotatable design (up to 270°) for curing without dead zone. | Energy saving and eco-friendly, All gel polishing can be cured with this lamp, including UV and LED gel polishing.