Super Quick Drying: Double optical wavelength (365nm + 405nm) UV lamp and 48W power for nails to dry takes only 10 seconds. - With our professional LED nail dryer, the gels harden and dry instantly. Suitable for all gel nail polishes and varnishes: UV therapy gel, extend gel, LED gel polish, hard builder gel, sculpture gel, gemstone glue, etc. All top coats and base coats for gel polish, including Nail UV glue, builder gel and gemstone glue. Smart memory and 4 timer settings: 4 press studs, 10s/30s/60s button with time memory function, long press 2s to enter it. If you do not press a button, the default value is 120s, until the end. 99s is for low temperature modes. Short press the button for the 99s painless mode and press the button for 2 seconds to double the power. LCD display and auto sensor: The large screen shows the countdown time, which improves your experience and ensures you are not bored. Our light curing device is equipped with auto sensor for switching on and off (no switch). The LED nail light starts automatically when you put your hand in the device. High Quality: - Customer satisfaction is our top priority.