Smart temperature protection: This nail machine has 4 timer settings: 10s, 30s, 60s and 99s (low temperature mode). Pressing the 99S button to start the low temperature mode will gradually increase the output power over time, thus eliminating the pain caused by the drying of the gel. Professional nail dryer all in one: the Professional Nail lamp 48W UV 365 + 405NM is equipped with 36 LED accounts, which can dry several nail polishes, such as UV glue, engraving glue, hard glue, etc. Our gel nail lamp can shorten the curing time by 60% that other nail leds. LCD screen and smart infrared sensor: the LCD screen shows the curing time. When pressing the 10s, 30s button, 60s, the timer starts the countdown: when pressing the 99s button or when the infrared sensor is activated, the timer begins to count. Thanks to the smart infrared sensor, the nail lamp can work automatically without configuring the timer.