1. Utilizing highly efficient PL UVA bulbs for faster, safer and odorless curing 2. with Fan for faster drying 3. Suitable for both professional and personal nail care uses 4. Harmless to the eyes 5. UV lamp CE certificate, product quality certificate Usage: Be sure the UV lamp and every part fix well before using it. 1. Power on, press the on/off switch to I to start. 2. Press the on/off switch to "timer on" directly and press the"120sec timer" 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 straightly 2. In order to keep the efficiency, please operate according to the gel manual, don't shorten or use over time.