DOUBLE SPEED SMART CURING. Professional 180W UV LED bulb with 365+405nm dual chip design and 60pcs LED light irradiation can cure a wide variety of nail gels twice as fast as other bulbs. SMART OVER TEMPERATURE PROTECTION. this nail lamp has 4 time settings: 30s, 60s, 90s and 120s (low temperature). When using the 120s low temperature mode, the intensity increases slowly to avoid pain during treatment. SMART MEMORY and TOUCH-FREE AUTOMATIC DETECTION FUNCTION. One chooses among the time functions 30s / 60s / 90s to start the device. Then, the seconds are counted until the start. In addition, an infrared can be used. When the hand or foot is inserted, the nail light turns on and the countdown extends to 120 seconds, then turns off automatically. LARGE LED LIGHT BEADS OF LONG LIFE AND LCD DISPLAY. Large screen, clearly see the time display. UV light has a lifespan of 50,000 hours and is similar to daylight in protecting eyes and skin from damage. GOES WELL TO ALL NAIL POLISH GEL AND THE RESINS: The UV nail lamp almost applies to all kinds of gel like UV curing gel, extending gel, LED nail polish gel, builder hard gel, sculpting gel, gem glue etc. All gel polish prints and finishes including nail UV-glue, builder gel, nail sculpting gel, gem glue and LED nail gel.