1, CE certificate / ITL authorized (Ctick) 2, Different colors available 3, 120sec timer/30sec timer/ 80sec timer Specification:1, CE certificate, product quality certificate2, Different colors available3, 12W4, 120sec timer5. Unique designDetailed descriptionVoltage: 110-120v/220-240vPacking quantity: 12pcs/cartonPacking size: 73*30*49cmG.W: 19kgN.W: 14kgOn/off switch, 120sec timerUsage:Be sure the UV lamp and every part fix well before using it.1, Power on, press the on/off switch to start.2, Press the “timer on” directly if you use the lamp with 120sec timer.3, It will stop when time’s up.4, Using 4*9w bulb, please replace the UV bulbs every 6 months, be sure to turn lamp off before replacing.Notice:1, Don’t stare at the UV bulb straightly2, In order to keep the efficiency, please operate according to the gel manual, don’t shorten or use over time.