... With CE,ROHS,PSE 2,Can make different voltage 3,OEM service 4,Quality guarantee... Nail manicure toolDescripton:Professional UV ... (4 x 9W) UV Lamp cures gel fast as little as 90 seconds. Leave nails with a beautifully smooth even ... the "Timer Start" directly if you use the lamp with 120 sec timer. Or chose the timer 90 sec ... . Dont shorten or use over time.................... 36W UV LAMP with CE and ROHS