Nail manicure tool 1,With CE,ROHS,PSE 2,Can make different voltage 3,OEM service 4, ... " directly if you use the lamp with 120 sec timer. Or chose the timer 90 sec or 120 sec and press " Timer Start " to ... . In order to keep the efficiency, please operate according to the gel manual. Dont shorten or use over time.................... 36W UV LAMP with CE and ROHS