... 1)uv lamp CE certificate,product quality certificate 2)can used for nail gel 3)4*9w120sectimer LED small nail ... 60HZOn/off switch, 120sec timer Usage:Be sure the UV lamp and every part fix well before using it. ... up.4, Using 4*9w bulb, please replace the UV bulbs every 6 months, be sure to turn lamp ... before replacing.Notice:1, Don’t stare at the UV bulb straightly2, In order to keep the efficiency, please ...