• Suitable for all gel nail polishes: Compatible with LED and UV gel nail polishes, extension gel, hard builder gel, sculpture gel, top and base coats, including UV nail glue and gemstone glue. • Intelligent automatic sensor function: Turns on and off automatically when placing or removing the hand or foot. • 4 timers: 10/30/60/90s, with a 90-second low-temperature mode. • 33 lamp beads and double-speed curing: Increases drying efficiency by 50%. • Protects eyes and skin: Dual optical wavelength technology, comfortable and safe white light.